adv. When the buttmunches inherit the earth, this word will be popular. Wait, that already happened? Never mind.
Real citation: "This guy is hilarious!!! I'm so happy I have him. His class will be buttmunchily hard but I'm hoping his humor will ease the pain."
(Aug. 6, 2008, Listen to the Beat, http://welcometocorruption.blogspot.com/2006_08_06_archive.html)
Made-up citation: "A ballet dancer who buttmunchily bounces and bobbles is a buffoon, according to the handbook."