a person who hits another person in their so said muzzle with any various object, including but not restricted to paint, cats, shoes, ceremonial poop, field mice, etc...
The damn muzzlespiker popped up from an unexpecting location and pelted me in the face with a overly large trout.
by rory phipps & alex greisman September 30, 2006
Get the muzzlespikermug.