turn turtle(v = verb.motion) capsize, turtle - overturn accidentally; "Don't rock the boat or it will capsize!"
Sample sentences: Something ----s

VB  be inverted, turn round, turn about, turn to the right about, go round, go about, go to the right about, wheel round, wheel about, wheel to the right about, turn over, go over, tilt over, topple over, capsize, turn turtle, invert, subvert, retrovert, introvert, reverse, up turn, over turn, up set, over set, turn topsy turvy, culbuter, transpose, put the cart before the horse, turn the tables.