A very crude sexual maneuvre.

When I hear that, I think of one of two things... 1. Licking an ice cream banana split 2. Some sort of oral sex to a female(Don't wanna get too dirty on here...)

It actually means going very fast. [Q] From Steve Cannell: “Do you know the correct spelling, meaning and origin of Likidie split. (Pardon my spelling.)” [A] It’s usually written lickety-split these days, but don’t be too sensitive about misspelling it — though it has been known since the beginning of the nineteenth century, it has only comparatively recently settled down to that form. Other ways of expressing the idea of moving headlong or at full speed have included lickety-click, lickety-brindle, lickety-switch, lickety-smash, and lickety-clickety. The first part has been spelled in all sorts of ways, such as lickitie or lickoty, which is a good clue that in its early days people were unsure where it came from. The earliest form was as fast as lickety, at full speed, from 1817. Though it’s native to the US, it has also been known in other countries. Where it comes from is open to argument. Some dictionaries prefer to say cautiously “origin unknown” but others consider it combines split with a fanciful elaboration of lick. The latter turned up at about the same date in expressions we still have: at a great lick or at full lick, also meaning to move fast. This might have something to do with an animal persuaded to go fast by means of a “lick” from a whip, a figurative use of the standard sense that’s also the source of lick for giving somebody a beating. Another form around in US dialect in the nineteenth century was lick it, as in “he went as fast as he could lick it” and some writers think that lick it was the source of lickety, though the dates of recording of the various forms suggest otherwise. Split is just an intensifying word that happens to have formed a satisfying combination, perhaps because splitting implied a violent separation. If things had turned out differently, we might now be saying lickety-click instead, which is just as meaningless. In settling on split, however, Americans provided a springboard for split in the sense of leaving or departing, recorded from the 1950s. http://www.worldwidewords.org/qa/qa-lic1.htm

it means the person talking to me is a complete arsebiscuit.

It means to me back when I heard it -- like getting out of dodge - I'm outta here -- See ya later bye -- That sort of thing

licking an ice-cream then suddenly i fall and split my pants or A sexual manuva that could be kind of painful

Yesterday....really fast....

Really fast. "Lets get out of here lickety split!"

Clean fast and to the point?

subito, jolly quick, smartly, in a newyawk minute, raus schnell, cheeze it, chop-chop

lickety split (also lickety cut) - without delay http://poets.notredame.ac.jp/cgi-bin/wn?cmd=wn&word=lickety_split quickly: very quickly ( informal ) [Lickety<lick] http://encarta.msn.com/encnet/features/dictionary/DictionaryResults.aspx?refid=1861696548 http://dictionary.cambridge.org/define.asp?key=45904&dict=CALD http://dictionary.cambridge.org/define.asp?key=lickety.split*1+0&dict=I http://idioms.thefreedictionary.com/lickety-split N. Amer. informal at full speed. — ORIGIN originally in the phrase as fast as lickety at full speed: from LICK + SPLIT. http://www.askoxford.com/concise_oed/licketysplit?view=uk Date: circa 1859 : at great speed http://www.m-w.com/cgi-bin/dictionary?book=Dictionary&va=lickety-split http://www.bartleby.com/61/40/L0154000.html http://www.infoplease.com/dictionary/lickety-split Quickly; as fast as possible; in short order. http://en.wiktionary.org/wiki/lickety-split without delay http://www.rhymezone.com/r/rhyme.cgi?Word=lickety_split "Lickety split", meaning fast or quickly, apparently arose in the 1830s and 1840s. The origin of the expression isn't totally clear. Another word for going down on a woman. To get some lickety split is to lick pussy. http://www.urbandictionary.com/define.php?term=lickety+split