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1.
Licking a butthole until your tongue turns brown.
I want you to brown tongue me so I can french kiss my poop.
by Poopbuttface July 12, 2011
 
2.
The action of forcefully and/or fearfully licking the anus region!
That bitch gives a good brown tongueing.
That fucking kyke needs a good brown tongueing.
Post shart brown tongueings are the best.