Top definition
A thought that seems genius while you are erect, but becomes horrible after climax.
Guy 1: I thought about Skyping my ex and asking to see her butthole again.

Guy 2: Oh my God. Did you?

Guy 1: Nah. It was just a boner thought.
by Esdee Jay-Tee January 20, 2014
Get the mug
Get a Boner Thought mug for your Aunt Larisa.
2
Usually inappropriate thoughts that accure when one is aroused, but one wouldn't consider under any other circumstances.
Hey, sorry for asking nudes even though you have a boyfriend, it was one of those boner thoughts .
Get the mug
Get a Boner thoughts mug for your cat Julia.