look up any word, like cleveland steamer:
 
1.
an arousal brought about by the enjoyment of McDonald's food
A:I just had a Big Mac and now my dick feels like corn.
B:I would call that a McBoner.
by constromlie December 10, 2008
 
2.
when you have sex with a someone through the drive through at mcdonalds.
dude i gave that bitch a mcboner at work yesturday.
by jewbagel January 09, 2006