(vulgar, slang) to freak out.

plural of flip turn

Synonym of tumble turn

Synonym of coin toss

plural of coin flip

Synonym of Pachner move

plural of bistellar flip

Synonym of flipped learning

Of sunglasses: having lenses that can be pushed upward and out of the frame, so that the glasses need not be removed in darker areas such as indoors.

flip-up sunglasses