to have a massive erection that is very noticeable. You know the kind you get when you sleep over your friends house house with the hot mom and you sneak into her room and smell her bras and panties. Or when you see OBAMA
saying boner but being sneaky about it
man dont look at my pants unless you wanna see my jaboner.
i was smelling you moms panties and i got a jaboner
sym: errection, boner, tits, dike, fag