subs. (American).1. A parasite; a SPONGER (q.v.).
2. (venery).The female pudendum: see MONOSYLLABLE.
3. (common).A knob of hair worn at the back of the head: modish in the late Eighties, following the more elaborate and cumbrous chignon.
4. (old).An endearment (1587).
5. See BUNNY.
TO TAKE (or YANK) THE BUN, verb. phr. (common).To take first place; to obtain first honours a variant of TAKE THE CAKE (q.v.): Fr. décrocher la timballe.
1901. Troddles, 96. I think this TAKES THE BUN, observed Murray frankly.