おっす

Japanese

Etymology

Probably an aggressively shortened form of おはようございます (ohayō gozaimasu, “good morning”, also used when greeting someone for the first time that day). Compare the development of similar greeting term うぃーっす (wīssu).

Pronunciation

• IPA^(key): [o̞sːɨ]

Interjection

おっす • (ossu) 

1. (informal) hey, hello
2. 押忍: yes sir!

Usage notes

Generally only used by young males.