Sgiwsiwch fi, fwyn gyfeillion, am fod 'mbach yn gwrs.
Diffiniad The Urban Dictionary:-
1. The head of the penis, being vaguely bell shaped. Like a mushroom head.
2. A complete idiot.
When you are drunk, you dance like a bellend.
Yr ail ystyr sydd dan sylw yma. Ai 'coc oen' fyddai'r cyfieithiad gorau? Diolch
Anna
Ye who opt for cut'n'paste
Tread with care and not in haste!