Booby

bōō′bi, n. a silly or stupid fellow: a sea-bird, of the gannet tribe, remarkable for its apparent stupidity in allowing itself to be knocked down with a stick.— adjs. Boo′by , Boo′byish , like a booby: stupid.— ns. Boo′byism ; Boo′by-trap , a rude form of practical joke among boys, by which something is made to fall upon some one entering a door, or the like. [Sp. bobo , a dolt: may prob. be cog. with Ger. bube .]