From Yiddish, to fall down from extreme excitememnt or abhorance.
When i heard she had slept with my roommate, i was about to plotz!
Pronunciation: (plots), key
—v.i. Slang.
to collapse or faint, as from surprise, excitement, or exhaustion.
to faint, fall over, shit pants with excitement. Word is famously used in the film "Donnie Brasco" when they arrive at the King's Court in Miami.
"Wait until you get a load of the banquet room. You're gonna plotz!"
To shock, surprise, take aback, astound to the extent of fainting or "shitting oneself" .
Krusty: I opened for The Who at Woodstock. I came out in a Beatle wig with a ukulele. Hendrix said he almost plotzed -- his exact words.
Yiddish slang meaning bowel movement.
I laughed so hard that I almost made a plotz in my pants.