It means multiple things. Basically, its a WWII reference, meaning:
1. Karate chop. Japanese were known by soldiers for their superior hand to hand combat skills, particularly in karate.
2. To strike a person unexpectedly, similarly to a sucker punch.
3. Loosely, it refers to an unexpected attack or ambush.
1. Karate chop. Japanese were known by soldiers for their superior hand to hand combat skills, particularly in karate.
2. To strike a person unexpectedly, similarly to a sucker punch.
3. Loosely, it refers to an unexpected attack or ambush.
Wow! Did you see Tom get into a fight, yesterday? He hit that guy with a vicious jap slap and almost knocked him out.
by Legendary63 July 21, 2018
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Ohtani eliminated the Brewers in the 2025 playoffs with a quadruple Jap Slap. 3 home runs, and 10 strikeouts
by Shimatta Baka-Ni! March 7, 2026
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