When you absolutely bomb something, mimicking the struggles of a junior in high school. Also known as failing miserably.
Turd: Hey how'd that chemistry test go today guys?
Cool Guy: Oh I aced that thing. Basically went Jesus mode.
Turd: How about you?
Junior: Good god I junior swagged out hard today.
Turd: Soooo, F, right?
Junior: Yeah. 23%. Junior swag!
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