A schmeck is a small whiff, ie. a portion of food so small it's barely enough to smell... the full phrase is "schmeck and a lech"... a portion of food so small it's barely a smell and lick.
When you are in a hurry to get to your grandmother's funeral and you have to quickly bust one out in the Loaf-n-Jug stall whilst one other man is next to you in the urinal enjoying the sweet harmony of your grunts and wheezes.
Oh no! It's my grandma's funeral! I better wank my schmeat to replace the whipped cream on the pie for later!
Prepared hand-held food spilled from a wrapper while being eaten. (popularized by "Man v. Food" television host Adam Richman)
"Leaning forward against the counter on your elbows while eating an Italian beef sandwich means that schmeckus falling from the wrapper hits the counter or floor and not you."
Yiddish slang word meaning bullshit, baloney, hogwash, nonsense, crock of shit or hot air.
I don't buy the schmegegge about Morty sleeping with Moira.
His version of the story was pure schmegegge.
The whole schmegegge was made up to get Liz a little bit of attention.