Russian term
Ой, не могу, умру от смеха
Можно образное выражение. Только чтобы суть понятна была. Спасибо.
Proposed translations
What doesn't kill you...
Native in: Russian 
Works in: English to Russian, Russian to English, Spanish to Russian, and 1 more.
Oh, jeez.. I'm gonna laugh my guts out!
It "CRACKS" me up
United States
Reliable, high-quality translation
Native in: Russian
Works in: Spanish to English, English to Spanish, Russian to English, and 3 more.
Oh, man! I'm just gonna laugh my ass off!
Belarus
No-nonsense approach
Native in: Belarusian 
, Russian (Variant: Standard-Russia)
Works in: English to Russian, English to Belarusian, German to Russian, and 6 more.
You made my day!
Romania
Native in: Russian
Works in: English to Russian, English to Romanian, Romanian to English, and 5 more.
PLease, don't make me laugh
Fast and Accurate
Native in: English
Works in: Russian to English, French to English, Italian to English, and 1 more.
oh my god, I'm laughing so hard it hurts or you're making me laugh so hard it hurts
Oh, I can`t stand it! I am dying of laughter!
I was dying of laughter when I saw Jenni's phone conversation with our painter Jesse.
http://www.paradisegroup.ru/movies/?id=277135
http://www.bravotv.com/flipping-out/blogs/ryan-brown/dying-of-laughter
Gosh, you make me lofl!
Russian Federation
proficient translation
Native in: English , Russian
Works in: Russian to English, English to Russian, English
Oh, dear! I may split my sides laughing!
I do not think you can put there "не могу", in English it has only negative meaning.
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Note added at 12 hrs (2009-02-24 20:08:24 GMT)
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Sorry - typo: "dying"
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