Best definition
Mix of weed and pcp. I assume its called this because sometimes pcp is called wet or water.

Nate didnt know that bag was wetweed, he was trippin balls after that shit.
wetweed: define #2
wet weeddrugs
Marijuana that has been dipped in liquid pcp.

This is usually done to low quality marijuana so a dealer can sell it at a higher price because low doses of pcp can feel like potent cannabis.
That asshole dealer sold us wet weed.

I don’t know why he said this was good shit, cuz this looks like fuckin’ mersh.

I dip my nug in pcp so I can smoke some wet weed.