Definitions by Doctor Asshat, MD

Thumbdouken 

The act of inserting one's thumb in an unsuspecting ass.

Tom: Man did you hear about Nik the other night?

Markus: Naw man what happened?

Tom: Got super tanked and thumbdoukened some beezy!

Markus: Whoa, bra that's fuckin sweet!

Thumbdouken by Doctor Asshat, MD January 26, 2009