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1.
One who enjoys the act of bubbling cum, a bubbler of cum, the creation of a pocket of air formed in a wad of cum.
Your Mother is a true cum bubbler.
by HAHAHA513 March 30, 2008
 
2.
A gay man who likes to swirl cum around inside his mouth like a fine wine.
Faheem is a cum bubbler
by KingIsh December 14, 2010