A person who is so random with their speech and actions that they are often seen as crazy or insane.
Hey is that Mike in that pink tutu, he can be such a spaze.
by Jezzebel Smith September 17, 2005
To get mad, go crazy, scream, shout, or hit someone because of anger. To lose it for a quick moment.
This man tried to skip me at the store and i spazed on him.
by Miss LaLa March 09, 2009