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1.
1. A bubble consisting of a gelatinous combination of semen and old embalming fluid, produced from the male genitalia of a corpse during munging.
2. A bubble produced from the nostril(s) of an inexperienced mung-sucker who fails to swallow fast enough during the munging process.
Upon munging Grandpa, Billy's inability to digest mung in a timely manner produced mung bubbles the size of airbags.
by Demented GI February 05, 2010
 
2.
the fluid that comes out of the vagina after sex
do you really need an example for mungbubble?
by i am trevor August 11, 2006