Shtonk On

Meaning that you have an erection at the present time or talking about one in the past. The 'Shtonk' being the erection an the 'on' meaning you have it, so a Shtonk off would of course mean you dont have one.

Did you see ben? he had a huge shtonk on over dave, what a gay!

by DaveMorgan December 25, 2008

stonk on

Refering to an insanely erect male penis!!

I had an absolute stonk on!! It was uncontrolable!!

by Genoa II December 24, 2007

Stonk On

An insanely hard morning wood that won't go down

Sharpie - "Oi wid I had a right stonk on this morning"

Wid- "Nah that's a walnut no wonder she won't put out"

by Sharpie&Wid February 26, 2018

stonk on

A hard on or stiffy.

“Got a right stonk on now!”

by AwesomeGuy898 June 30, 2025