Meaning

• A whirring or hissing sound (as above).

• Someone who is remarkably skilled at something.

• (especially with the verb "take") An act of urination.

  "I have to take a whiz."

• Amphetamine.

• (with "the") Pickpocketing.

Meaning

• To make a whirring or hissing sound, similar to that of an object speeding through the air.

• To rush or move swiftly with such a sound.

• To throw or spin rapidly.

• To urinate.

  "We whizzed in the bushes."