A typical Tumblr/meme-based reply by somebody exaggerating their apparent amusement towards the post in question. Most often used by the same morons that happily and unashamedly use the term 'bae' in normal conversation.
'Family Guy quote that's been posted ad nauseam'

"I'm screaming!"
by mikejb7777 August 1, 2015
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A phrase used by morons who believe something is funnier than it is except in reality their reaction is that of watching a political debate. Nobody knows who started this trend, but we all wish they're currently burning in the hottest place in hell.
Joe: Say's something retarded
Tumblr White Gurl: I'M SCREAMING
by Croconaww November 16, 2018
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Bro don't be a annoying ass bozo, ur gf is not screaming she is just too excited ( probably not because of u)
- Ayo, marcus looked at me in science class I'M SCREAMING KAJNSHDKMAOWIHDNDY
by uL1rCh September 29, 2022
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A statement of strong agreement. Similar to, but stronger than, 'I heard dat', 'Word', and "Dat's what I'm sayin".
Person 1: Bush absolutely ruined our economy.

Person 2: I couldn't agree with you more. That's what I'm screaming.

Person 1: Dis dj is off da chain!

Person 2: Dat's what I'm screamin.

Person 1: Shaneyney booty be on time, u know what I'm sayin my nigga?

Person 2: Trudat my brotha! U ain't neva lied! Dat's wat I'm screamin!
by cagedape July 6, 2009
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A different way (I guess) of expressing: "know what i'm saying"
Looked about like tha Coke machine wuz blowin' er sumpin'...know what i'm screaming?
by Uncle Beasley June 28, 2006
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