shlumiel 

a jewish nickname for a disorganized person who does not have it together.

Mendel is such a shlumiel, he keeps forgetting where he put his weed

shlumiel by eden February 8, 2005

Shlemiel 

From Yiddish origin. A clumsy, inept, or foolish person.

As quoted from the film Independence Day:

"If I knew I was going to meet the President I would have wore a tie. I mean look at me, I look like a shlemiel."

Shlemiel by Mata99 May 30, 2009

shlumbel 

A jewish sounding word for dude. Say it when you want to be cool or just want to connect with a jewish teenage friend. Or don't.

Shlumbel as a noun. Hey, sup sup Shlumbel?!!

Shlumbel as a verb. I'm just shlumbelling along.

shlumbel by apocalypto August 4, 2012

shlemiel 

A sad sack, a loser, a poor slob; from the Yiddish and German. "A shlemiel drops it; a shlemazel picks it up."

He made a living playing a shlemiel on TV.

shlemiel by cornholio October 4, 2003

shlemiel 

From Yiddish Orgin, which is a semetic language, meaning fool.

Your buring the popcorn you shlemiel!

shlemiel by Ben Leventer February 2, 2006