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!!"
Mahout is defined as being a person who drives, takes care of and controls elephants. Traditionally, life-time or career mahouts were knowledgeable, highly experienced individuals well-versed in elephant-rearing skills. These were true masters with an intimate understanding of their 'wards'. Men who possessed an exceptional ability to communicate and control their elephants with simple verbal commands and touch. See also elephant-keeper and Cornac.
In India and Southern Asia each elephant is assigned a driver, called a mahout, who formes a bond with his particular charge for years.
The act of going off program to potentially destroy your body with the excuse that its max out Monday by attempting; A max deadlift, max squat, max bench, or all of the above.