Turning a word into a question by appending the syllable `P'; from the LISP convention of appending the letter `P' to denote a predicate (a boolean-valued function). The question should expect a yes/no answer, though it needn't. (See T and NIL .)
At dinnertime:
Q: ``Foodp?''
A: ``Yeah, I'm pretty hungry.'' or ``T!''
At any time:
Q: ``State-of-the-world-P?''
A: (Straight) ``I'm about to go home.''
A: (Humorous) ``Yes, the world has a state.''
On the phone to Florida:
Q: ``State-p Florida?''
A: ``Been reading JARGON.TXT again, eh?''
[One of the best of these is a Gosperism Once, when we were at a Chinese restaurant, Bill Gosper wanted to know whether someone would like to share with him a two-person-sized bowl of soup. His inquiry was: "Split-p soup?" -- GLS]