1 definition by Dr.Skidadles
A person who thinks they are cool or funny. Someone who laughs at their own jokes, and think people listen to what they are saying. They also are teacher's pets and THINK they are smart.
The spiff does not know that no one is listening; She is such a spiff, why doesn't she admit that she is wrong.
by Dr.Skidadles November 24, 2009