Mechanical Isolation is just the animal version of Blue Balls. It comes from an animal not being able to smash due to difference in genitalia. (Sidenote: Why are you looking for Biology terms on Urban Dictionary?)
Guy 1: Man, that dolphin's goin' through some Mechanical Isolation.
Guy 2: Sure is. It just needs to get laid.
Guy 2: Sure is. It just needs to get laid.
by The7thComrade January 25, 2019