2
eat obscene amounts of food, usu. while high.
We smoked this blunt last night, and I maxed the fuck out on Doritos, man.
by TheMightyKhan84 December 14, 2004
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3
When someone gets so mad that it has the potential to ruin their whole day. Noticeable when someone lets their anger leak out, usually described in forms of yelling or raising their voice in defense.
When I told josh I screwed his girlfriend he maxed out.

"Dude are you serious? I can't believe you, out of all people, got me to max out."

"What?!?! I got an F on my Spanish exam? My parents are going to max out!!"
by JJACK June 24, 2014
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4
to penetrate all three major female orifices - mouth, vagina and anus - consecutively or simultaneously
I need to max out that girl before I dump her
by Prp Guy March 31, 2006
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5
Shitting all over yourself because you drink too much alcohol.
crap shit diariha drunk wasted
Max had to maxout out on Chocolate Stout at Dawes.
by Robin X. Brown January 18, 2006
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