gf: "My bf and I were messing around. I got him all hot and bonered, but I left him with blue balls, cuz he tried to stick it in my ass."
by and by June 22, 2010

omg that girls tight ass gave me an instant boner
look at the instant bonerfying cleavage over there
i have a boner right now just so you know
look at the instant bonerfying cleavage over there
i have a boner right now just so you know
by ieatmonkeybutt69 March 15, 2011

The erect penis of a sleeping male. Such named because someone sleeping with said male may get repeated poked with said erect penis as the male moves in his sleep, resulting in a feeling of getting attacked by a very small shark.
by PohTayToez May 5, 2009

by Bigbootyy February 15, 2014

when your tampon or pad is soaked and you don't have any extras so you stuff your underwear with tissues and it looks like a boner
by Nothingsushere April 19, 2016

by The Fuzzy Nut January 17, 2013

When your significant other becomes horny at the thought of you, and the thought of them being horny at the thought of you makes you horny in turn.
Girl: Oh babe, your back muscles are sooo defined and it's turning me on.
Guy: -moan- (now erect, as counter-boner)
Guy: -moan- (now erect, as counter-boner)
by LufffiStudios August 31, 2013
