diagonalizing 

To diagonalize somebody means, for example in psychotherapy, to point out incoherence / inconsistency in somebody's beliefs, also can be used in an argument in a more confrontational manner. Speaking in terms of computer science and math, diagonalization is related to stuff like: Lawvere's theorem, oracles, proof by contradiction

Timi: u need to stop diagonalizing ppl so bad bro, nobody understands nothin man; and them hoes get "the ick" if u know what I'm sayin
Myself: aight my bad gang. I appreciate ur kind feedback but Timi, if nobody understands nothin as u say, how come ur able to say this to me? Maybe it really makes sense :D
Timi: here we go again :)

diagonalizing by Sonic_tachyonic December 6, 2024

diagonaling 

A sexual act. The man and woman are in what would appear to be missionary position, but their heads are rotated around 45 degrees with the axis at their genital connection.

Aw, man, I tried diagonaling with Alice last night. It was an amazing sensation.

diagonaling by Imperial_Inquisitorius April 4, 2011