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A trippy 70's computer programming language that uses recursion like a motherfucker. It is a logical programming language designed for expressing human logic instead of specific machine instructions. Unlike procedural languages such as C, it has very little practical use outside of a university environment.
Uni student #1: Holy shit. Recursively manipulating lists in Prolog is totally screwing with my head! Btw, why the fuck is my program stuck in a loop?

Uni student #2: You've got to create a base case for your predicate. Otherwise it just backtracks up the list and down again.

Uni student #1: Thanks. Fuck. I don't know if I'm gonna pass this course.

Uni student #2: Don't worry. It's not as if this shit is useful anyway.
Prolog by HumphreyB May 13, 2006
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I double dog triple frog quadruple hog quintuple log sextuple blog septuple clog octuple old grog nonuple cog decaple flog duodecaple fast jog tredecaple prologue dare you 

the most intense dare ever to be wielded by anyone. cannot back out of it no matter what or chaotic things will happen.
DUDE! I double dog triple frog quadruple hog quintuple log sextuple blog septuple clog octuple old grog nonuple cog decaple flog duodecaple fast jog tredecaple prologue dare you to stick your dick in the blender.
Prolog (PROgramming LOGic) is the predominant logic programming language. It is based on first-order predicate calculus, but is restricted to using horn clauses.
father(william, diana).
father(jeff, william).
grandfather(X,Z) <= parents(X, Y), parents(Y, Z).
?granfather(A, diana).

pronographic movies 

Same thing as a pornographic movie, but ass-backwards. There's no action in these movies -- just some fucking dude or chick playing with their junk.
Those pronographic movies didn't get me off at all last night.
pronographic movies by mrfouchy January 29, 2008

Prologue 

Boring-as-hell beginning to paper mario speedruns
God dammit, fucking missed the superguard. Gotta restart the prologue again...
Prologue by Cinealma July 17, 2016

Prologic 

The guy that is always right when he is wrong
Prologic by ProLogiC December 9, 2003

Prologic 

The guy that is always right when he is actually wrong
Prologic by Looper December 9, 2003