When a brotherly figure tries to have sex with you, and you try to stop him.

Adj. Something that is expected to have a long lifespan by virtue of having existed for a long time, based on the lindy effect, named for the New York restaurant Lindy's, coined by Albert Goldman and popularized by Nassim Taleb.

when you see a girl/guy that looks that looks hot from behind, and you start to walk towards he/himr, then she turns around and that person is ugly so you turn around and walk the other way