look up any word, like donkey punch:
 
1.
An expression used for something that is a Lie
mac- "I saw a 2 headed cow yesterday"
don- "Pissbubbles"
mac- "Naw, it's true"
by Immortal-Jake June 22, 2006
 
2.
A caustic harpy who presents with a companionable persona.
Ann Coulter is a piss bubble.
by Jay Bigman October 31, 2006
 
3.
the spontaneous and deleterious effect of confined spaces.
as in what happens to perfectly fine children when trapped indoors on a rainy day or in the back seat of a car. one touches another who pokes the first one who bumps the third one until they all turn into piss bubbles.
by NUmellie August 28, 2007
 
4.
self explanitory
self explanitory
by Fallen October 07, 2003