Used for agreeing or expressing excitement about something in stoner-language.
Sometimes also means "yes of course".
Dude: Ya man, it's great.
Other guy: Hey there, can ya gimme a ride?
Driver: Ya man, c'mon!
Homeskillet: Yo, I finally got us some new trees.
Homie: Ya man!
Jesse: Man, did you ever watch Scoby Doo when you were stoned?
Chester: Ya man, who hasn't? It's made for potheads!
"I wish I was more like a Yamen, they are so perfect"
"Can I borrow your Yamen for the weekend??"
It is also an Indian name.