When someone says they have a boner it means they have an erection which is when your penis gets longer and harder. There is not actually a bone in the penis, but it can feel like it.
Other similar terms include "woody", or "stiffie.
Boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner boner
Boner Boner Boner Boner Boner Boner Boner Boner Boner Boner Boner
Erection
Boner boner boner boner boner boner boner boner boner boner boner
boner boner boner boner boner boner boner boner boner boner boner boner boner
U can't get an boner
it means boner
If a boy says he has a boner because of you, he is letting you know that he finds you attractive and is turned on.
U can't get an boner
If he has a boner.
just because you get a boner when someone say's something doesn't mean that everyone else dose.
it means he has a raging boner