Green’s Dictionary of Slang

1. a penis.

1983

R. Price Breaks 185: I envisioned this poor fucking kid coming into Mommy’s bedroom [...] as I was sticking my yutz into her Dark Place.

2. (also yotz) a fool, an idiot; also as adj.

1983		R. Price Breaks 293: I was a stone yutz yokel.
1989		P. Munro Sl. U. 210: My ex-boyfriend was such a yutz.
1999		Guardian Travel 9 Oct. 6: What a yutz you are for not going to places you want to go.
2003		Honolulu Advertiser 19 Dec. 🌐 Even if we can’t agree on [...] why Sally married such a yutz or how Bob’s kids came to be such spoiled punks.
2011		H. Ellison Introduction in Pulling a Train’ [ebook] But then, what the hell do I know; I’m the yotz who wroite all of it.