On the cuff 

To give to someone in exchange for an agreement of later payment, sometimes with a rate of interest attached.

Carlos got his ball of crack on the cuff because his dealer knew him to be such a faithful junkie.

On the cuff by TMG November 29, 2005

On the cuff 

(To give something) on credit

I helped him clean up the shop, so the mechanic gave me an oil change on the cuff.

On the cuff by Griddle February 12, 2007

On The Cuff 

On the cuff / To receive something with a promise to pay later Thought to refer to bartender in the 1860-1890's which kept a persons "tab" on the cuff of their shirt

Heres your beer "You want that on the cuff"

On The Cuff by IronShiek October 8, 2019

puff on the cuff 

the result of masturbating while fully clothed and the ejaculate ends up on one's sleeve

Last night I watched reruns of "Three's Company" on Nick at Nite and ended up with a puff on the cuff.

puff on the cuff by tipster173 December 30, 2010

kenlet 

A small piece of information. Derived from the word ken, used often in the scottish language and is synonymous with knowledge.

Person 1: "Hey I don't get this shit. How do you solve this problem?"
Person 2: "I got that one. Give me some kenlets on this assignment and I'll help you w/ that one."

kenlet by Norma Y. October 8, 2005