flip

Concise Oxford English Dictionary © 2008 Oxford University Press:
flip1

▶verb (flips, flipping, flipped)

• 1 turn over with a sudden quick movement.

• 2 move or toss with a quick action.

• 3 (flip through) look quickly through.

• 4 informal suddenly lose control or become very angry.

▶noun a flipping action or movement. ▶adjective flippant. ▶exclamation informal used to express mild annoyance.

– phrases
flip one's lid (or N. Amer. one's wig) informal suddenly lose control or become very angry.

– origin C16: prob. a contr. of fillip.

Concise Oxford English Dictionary © 2008 Oxford University Press:
flip2

▶noun another term for eggnog.

– origin C17: perh. from flip1 in the sense ‘whip up’.