Tonk 

Something which is large

thats a tonk penis u have there lad.

Tonk by PPB April 2, 2003

tonk 

The sound of a D cell maglite striking a penguin or bee keeper.

It's time to tonk the mods.

tonk by arfcommer May 13, 2005

Tonk 

Tonk is another word that means cool or awesome. Whenever you are about to say cool or awesome you should correct yourself in saying the word TONK!

Dude, you are looking mighty tonk today!
Wow that was very tonk.
I had a pretty tonk weekend!
I am tonk.
That was soooooooo tonk!

Tonk by The Tonkest Person EVER!!! October 5, 2009

Tonk 

To tonk a girl using your penis means you stand in front of her and swinging you hips smack her in the face with your penis, which makes a "tonk" sound.

Chris wanted a sandwich and Jane was reading, so he stood over her tonking her in the face with his penis til she got irritated and gave in and made him one.

Tonk by Orcoangel May 29, 2007

tonk 

To strike with ones penis.

Joe tonked the handrail so hard it rang like a bell.

tonk by Richard Platzman February 7, 2004

tonk 

big, large, fat ect.

dat feilds well tonk,
errr u seen dat boy hes butters hes well tonk

tonk by cat November 18, 2004

tonk 

A term of endearment between homosexuals in the american southwest, also a request for anal sex.

"Oh Derek won't you come over and tonk me tonight?"

tonk by Peter February 24, 2005