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1.
Boner's remorse is an emotional condition whereby a person feels remorse or regret after boning a chick he shouldn't have
A: Did you fuck that heffer you picked up?
B: Yeah man, I was so drunk last night, totally having boner's remorse
by dbGenius August 09, 2008
 
2.
The feeling of remorse or regret one gets after having sex with someone.
"At the time I thought it was a good idea to have sex with my ex-girlfriend. However, after we finished and she talked about starting the relationship again I had major boner's remorse."
by PolarTurbo July 27, 2009