To rub ones fat chin vigorously for their self pleasure

Or used as an insult to get a fat lard to shut up
Jake 'chubbed his blub in front of the whole school to cope with his exams'

Chub your blub
by Jami e June 26, 2016
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When you're dancing erotically with a girl and you start to feel a half chub coming, so u try to stop dancing, but she goes hard and just starts jerking you off with everyone around, and you just go with it.
Dude, I was dancing with this girl, and she dance chubbed me right in the middle of the dance floor
by CrashBoi June 24, 2017
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When Andy achieves a full erection by observing punctuation formed in the shape of women’s breasts. For example: ( . Y .)
Andy is now at Chub Factor 7
by Drewnew October 30, 2019
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When Andy achieves a full erection by observing punctuation formed in the shape of women’s breasts. For example: ( . Y .)
Andy is now at Chub Factor 7
by Drewnew October 30, 2019
Get the Chub Factor 7 mug.