The state in which a man does not have a full erection, but his penis is slightly harder than the norm. In this state, it is easy for the penis to become fully erect as a result of things that would not normally cause a boner, such as walking.
by NickPo November 3, 2009
a derivation of the popular 70's game known as limbo, all participants must first obtain an erection before attempting to go under the bar.
Guy 1: Dude, there are NO chicks at this party!
Guy 2: I know man, wanna play some boner limbo?
Guy 1: Yea. I'll go get the stick!
Guy 2: I know man, wanna play some boner limbo?
Guy 1: Yea. I'll go get the stick!
by billy.183 April 18, 2010