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!
Markus: Naw man what happened?
Tom: Got super tanked and thumbdoukened some beezy!
Markus: Whoa, bra that's fuckin sweet!