1. extremely large boobs that bounce everywhere when thrust into action.
2. extremely large boobs that are used for a great tit fuck.
3. HUGE TITS!!
That woman in the magazine definitely had a great set of jumbo jugs.
by Adam Iglehart January 29, 2008
big boobs, or a woman with big boobs.
"When I go to Hooters I want Jumbojugs waiting on me. She has jumbo jugs"
by Anonymous August 18, 2003

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