the act of tonguing fuck out of someones arse crevice (unshaven) either before of after one has been for a ringpiece poo painted doup destroying brown number whilst using your stubbly chin to tickle ones bean, back and fourth like a man on a mission.. making you out to be some kind of mega mad mental mechanical man machine!!
when your mouth could not possibly taste or feel any worse, usually occuring the morning after a long night of partying including alcohol, excessive smoking and/or other "party favors"
I've got to head to the crib to brush my teeth man, I've got a bad case of bumtongue.
A small piece of information. Derived from the word ken, used often in the scottish language and is synonymous with knowledge.
Person 1: "Hey I don't get this shit. How do you solve this problem?"
Person 2: "I got that one. Give me some kenlets on this assignment and I'll help you w/ that one."