inverse boner 

When something is so nasty or such a large turn-off that it makes you feel as if your junk is shriveling up into nothing and all your hormones are dying.

Matt: Dude did you see Mackenzie's mom over there trying to dance?

David: Ya, it gave me an inverse boner.

inverse boner by itsnotc September 27, 2010

Inverse Boner 

The event when, instead of the penis growing larger, the rest of the body gets smaller, thereby increasing the relative size of the shlong.

Not to be confused with a reverse boner.

You see, Perry the Platypus, with my latest inator, I will obtain an unstoppable inverse boner: giving me the largest glizzy in the entire Tri State Area... relatively.

Inverse Boner by Only_69 April 18, 2021

Inverse boner 

an inverse boner is when you get turned off so cringely that your (lady) boner goes inwards instead of outwards which will make you throw up a little

When he texted me “wyd?” and “whats your Snapchat?” I really got an inverse boner

Inverse boner by Soerealisme December 29, 2021