lickety split Share definition Flag "Lickety split", meaning fast or quickly, apparently arose in the 1830s and 1840s. The origin of the expression isn't totally clear. Similar to stat. Grandma just slipped on a bananna peel so I have to get her to the hospital lickety split! lickety split by Tom Connelly September 8, 2006 Get the lickety split mug.