look up any word, like bae:
 
1.
To eat uncontrollably at home for pleasure.
I cant wait to chub out on my day off
by xmenoloks2 August 15, 2008
 
2.
A Term
Where a male grows a (half-flaccid & half-erect) penis when a female accidentally brushes her ass cheeks against a man's crotch in the workplace.
Yeah dude, I bumped into Ashley in the hall and her ass rub against my dick.

I had a "Chub-out".
by MileDriver January 10, 2014