The unofficial and Zoomer version of cap means “lies” or “false statement(s)” Capathon is when someone keeps on saying lies. Like a lying marathon, hence the name, Capathon.
Person 1: You’re so pretty!

Person 2: Uh, thanks.

Person 1: Yeah and smart too!
Person 2: Capathon.
by fungusfollower69 December 24, 2019
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