When Mark goes on a random rant about whatever bullshit is floating around in his enigma of a mind.
Isaac: Did you hear Mark had a Mark Moment?
Caleb: Deez Nuts
by ShanSheep July 19, 2021
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when someone does something stupid for no reason and causes problems for others
(person) apple and bacon is good on pizza: (your reply) mark moment
by ural 4320 March 16, 2021
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