Upright.
a boner is a slang word for "an erection of the penis." if you tell a female (or a male, if you're a homosexual) that you get a boner when you think of them, it means you want to have sex with them.
The scientific word is erection.
He got an erection. May be true or just an expression of his feelings.
it an erection
Possibly you mean an erection.
The man has an erection.
it means you have an erection
kolakano = erection
that you are horny.
His penis was erect.
He has an erection. The statement may or may not be completely accurate. It is sometimes used just to express excitement.
It could mean he is getting an erection, or his clothes are uncomfortable, just like when a girl adjusts her bra.