boner boomerang 

When other people near you have a erection and you het an erection from it and so on

Bro there was a huge boner boomerang last night

boner boomerang by The neatest neacheous March 25, 2017

Boomerang Boner 

An erected penis that forms a sharp angle. Usually a 90 to 60 degree angle.

How can a guy have sex with a boomerang boner like that? Unless he does it sideways.

Boomerang Boner by Al-Pal113 February 4, 2010

Boomerang Bone 

When one's penis curves abruptly during arousle, either to the left or right forming a ninty degree angle.

Dude, I went to geometry class today. the teacher showed us his Boomerang Bone!

Boomerang Bone by Piginablanket July 9, 2010