Bang

n. 1 loud short sound. 2 sharp blow. 3 coarse slang act of sexual intercourse. 4 US fringe cut straight across the forehead. v. 1 strike or shut noisily (banged the door shut). 2 (cause to) make a bang. 3 coarse slang have sexual intercourse (with). adv. 1 with a bang. 2 colloq. exactly (bang in the middle). bang on colloq. exactly right. go bang 1 shut noisily. 2 explode. 3 (as bang goes etc.) colloq. be suddenly lost (bang go my hopes). [imitative]