A perfect storm of all things macho in a gym.
1. That bodybuilder keeps slamming the 20lb dumbells and either grunting or moaning in between sets, what a masshole.

2. That masshole marked his territory by leaving his gallon jug of water by the squat rack he was using to do curls in.

3. Why is that masshole mean muggin me between sets. She must be roid raging.
by TKO-RichStone April 1, 2017
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Tourists from Massachusetts to Portland Maine are often faced with the maze of one-way roads on non-parallel roadways. As the end destination is usually the Promenade at the top of the hill, many a Masshole has given up in frustration and driven up the hill going the wrong way on one of the smaller residential roads. The trepidation seen in these cars mimics an adventurer reaching a summit. The nickname resulted.
"Don't take that road, I saw someone turn onto it from the other end. Though you can if you wanna watch another one complete the Masshole Summit."
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To have been totally owned and destroyed by Kate from the YouTube Channel Masshole Troll Mafia due to one's own stupidity. To be trolled to the point of insanity and having to assault a court recognized professional troll.
Kate just massholed you into total humiliation. Chille got massholed by Kate on YouTube last night.
by Uncle Arty August 4, 2022
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