That isn't Klingon.
It's Yiddish for meat-filled DUMPLING.
The Big Bang Theory Season 2, Episode 7
You know, screw it.
I'm just gonna eat the DUMPLING.
The Big Bang Theory Season 2, Episode 8
Our standard order is,
the steamed DUMPLING appetizer...
The Big Bang Theory Season 1, Episode 7
Okay, who gets the extra DUMPLING?
The Big Bang Theory Season 2, Episode 8
Kreplach, a hearty Klingon DUMPLING.
The Big Bang Theory Season 2, Episode 7