thrashing

thrashing (http://definr.com/thrashing)

     adj : (especially of limbs or tail) waving or swinging about
           vigorously; "trying to drive insects away with his
           flailing arms"; "the aligator's thrashing tail" [syn: flailing]
     n 1: a sound defeat [syn: walloping, debacle, drubbing, slaughter,
           trouncing, whipping]
     2: the act of inflicting corporal punishment with repeated
        blows [syn: beating, drubbing, lacing, trouncing,
        whacking]