JSG

Acronym for "Japanese School-Girl." Popular in usage with anime nerds and AZN fetishists.

Mike: Dude, have you seen that youtube clip of JSG's making out them little "sailor" uniforms? It's like the hottest thing I've ever seen.
Steve: ...

by t-money89 February 13, 2008

JSG

Just Some Guy. Describes a guy who has no standout qualities.

Person A: Hey remember Nick from high school?
Person B: Oh, him? Yeah. That guy’s a total JSG.

by Thecryingraven March 30, 2024