Tits moving a rhythmic circular motion similar to that of a helicopter rotor when fucked. Most commonly seen in larger natural breasts it can be induced in smaller breasts provided enough force is applied.

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)

When one runs down the stairs at such speed as ones tits spin much like a helicopter propellor

When you take a virgin girl who is your good friend, and she shows you her tits. The person looking at her tits shows her his penis and then moves his penis around like a helicopter and starts saying, "GET TO THE CHOPPA NOW!" This only takes place during school in private.