look up any word, like thot:
 
1.
Japanese word meaning Good morning.
Derivatives, Ohayou, ohayo, ohayou gozaimasu (polite).
Ohayou, it's a wonderful morning.
Ohayou sounds like OH.
by Ramunenakayama November 29, 2007
 
2.
interjection-
good morning
"ohayou. genki desu ka?"

Good morning. Are you well?
by Taylor November 12, 2003