According to GaryStooge, chief cook & bottle washer of our illustrious fan club:
"In yiddish, 'farblongent' basically means 'lost, bewildered or confused'."
I recall the line, "Yeah, he'll farblongent him" from FLING IN THE RING (a remake of Fright Night)
Is that the correct short, Thump?
Well, I was close. I found the line around 1:20 in this video---at least, the sound is; the picture comes a few seconds later.
[youtube=425,350]5VAV1GAqNW8[/youtube]
The line is spoken by Larry, by the way. He makes the verb sound like "fairblunjah," with the second and third syllables rhyming with "plunger" (as pronounced with a New York accent).
Okay, new line:
"You lummox! You want to give me birth marks?" (This is not the pertinent spelling of the second-to-last word, but the correct spelling would make the identification too easy.)