look up any word, like fellated:
 
1.
13th most common Japanese surname.
Did you see that kid Adam Yamada Kelly? What a strange middle name. Not in Japan it isn't.
by YamadaDesigns March 20, 2012
 
2.
Your mother!

Ya-Ma-Da
Jesse: So, what you doing tonight?
Soren: YaMada!!!
by NaughtY_MonkeY May 17, 2013