verb: to smile annoyingly big, being sure to show all teeth and some gums. sometimes done intentionally, other times because the person busey-ing can't help it, such as the actor Gary Busey.
Dude, you're busey-ing so badly that I can see your gumline!
a circle shaped piece of paper folded in half.
teacher: "kids, fold the paper taco style!"
student: "ummm, it's a circle. it's gonna be taco style either way you fold it."
to over-pronounce words or add more than enough syllables while speaking, making you sound like a redneck or the character Ellis in Left4Dead 2.
Karl: "Hey may-un, let's go geyut aye burreetoww."
Frank: "Dude, stop ellis-ing."
