JapSlang = When a Japanese foreigner attempts to speak formally, but has fail to realize they are speaking informally.
Japanese person #1: "Oh myagodsu I have to go to the bathroomsu"
Japanese person #2: *sigh*, "japslang"
Japanese person #2: *sigh*, "japslang"
by tingtangwallawallabingbang January 10, 2012