The act of nocking someone to the ground. Preferably with no shoulder or tackling involved, rather running straight into the person or object at full speed.
Arod: Did you hear about when keeganbowled down dilman at the soccer windup?
Dilman: You are a liar and a FOOL, arod!
Bowelerina
Noun: a female, usually petite and attractive who can empty a room with just onefart. As skilled in the art of farts as a ballerina is skilled in the art of dance.
Dude, your girlfriend is a bowelerina, I can't believe she cut one like that in front of your mother!