おっす

Japanese

Etymology

Probably a very contracted 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): [o̞sːɯ̟ᵝ]

Interjection

おっす • (ossu) 

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

Usage notes

Generally only used by young males.