A dirty look.

A situation where, by moving only upwards or downwards through a hierarchical system, one finds oneself back where one started. These loops often involve self-reference and paradox.

(rhetorical question) Used if the interlocutor seems to believe something inaccurate about (someone); this question serves to free someone of a misconception.

Alternative form of through the looking-glass.

plural of loose edge

(graph theory) half-edge

Third-person singular simple present indicative form of look for trouble

(informal) to deliberately act in a way that's likely to lead to a fight. / (informal) to do things that are likely to cause problems.

present participle of look for trouble

A fingerprint or palmprint pattern that consists of a loop which opens toward the ulna side of the hand (toward the pinkie).