look up any word, like cleveland steamer:
 
2.
A more polite way of calling someone both a dickweed and a jackoff at the same time.
Stay in your own lane Jack-weed!!
by Tim Wallach August 03, 2006
 
1.
A real elmore, clown, maroon, or fuck up.
I would call you a jackass but jackweed sounds better.
by Prim n Proper September 26, 2007
 
3.
Just yet another word for dipshit, asswipe, loser moron, assclown, only I like the sound of it better.

My greatest word invention yet.
Kile is a jackweed, and he never gets any poontang.
by Captain Awesome February 25, 2005