when a guy is running, doing jumping jacks, going down stairs, etc. and his balls hit his inner thigh and it makes a loud sound similar to clicking your tongue. it is a word i made up when my friends and i were playing scrabble w/o rules. but now we use it everyday.
"Dude, today in soccer when we were runningdown the hill and i heard someone qaz so loud i thought they broke a leg!!
boredom at it's finest. when you are so bored that you have tried many of the possible keyboard combinations. this particular combination is top to bottom on the left side, bottom to top on the right side, alternating each side, starting from the far right.