plural of flip-in

A wrestling move in which the attacking wrestler dives over an opponent who is facing him, usually bent over forwards, catching the opponent in a waistlock from behind and landing back-first behind him, then rolling forward into a sitting position, pulling the opponent over backwards and down to the mat so that he lands on his back in a sitout pin position.

plural of flip side

(derogatory) A person, especially a politician, who changes his or her opinion.

simple past tense and past participle of flip-flop

A large pad, usually supported on a stand, used for (typically handwritten) presentations.

(colloquial, idiomatic) To make a rude or obscene gesture (at somebody); particularly, to extend the middle finger. / Used other than figuratively or idiomatically: see flip, bird.

(informal, transitive) To make a rude or obscene gesture at someone.

(US, slang, vulgar) To make a rapid and illegal U-turn.

(US) An instance of flip-flopping, of repeatedly changing one's stated opinion about a matter.