Definitions
1.nounA whirring or hissing sound (as above).
2.nounSomeone who is remarkably skilled at something.
3.noun(especially with the verb "take") An act of urination."I have to take a whiz."
4.nounAmphetamine.
5.noun(with "the") Pickpocketing.
6.verbTo make a whirring or hissing sound, similar to that of an object speeding through the air.
7.verbTo rush or move swiftly with such a sound.
8.verbTo throw or spin rapidly.
9.verbTo urinate."We whizzed in the bushes."