The act of getting lit or getting fired up, could be to anything. Made by the team members TSM_Hamlinz and TSM_Myth from professional e-sports organization "Team SoloMid"
"EYYYY JUST GOT THAT WIN WE THOOMIN"
"THIS MUSIC THOOMS!!!!!!"
"YEAH TODAY IS GONNA BE A GOOD DAY YOU ALREADY KNOW WE OUT HERE THOOOOOOOOOOOOMMMMMIIINNNNNN"
by Gguuuuurrrrwwwaaagggghhhhh January 19, 2019
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When Hamlinz and Twitch chat are playing music so loud that the speakers go THOOM!!!
"AYYYYYE WE THOOMIN!!!"
by carti247 January 9, 2019
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Basically when your an epic gamer and you going really fast or gaming really awesome style
Person 1 “BRUH HE THOOMIN ON GOD”

Person 2 “yeah Vro he’s gaming super epicly right now.”
by Ben_shaprio_left_wing_detroyed December 8, 2018
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A word TSM (Three Sus Men) came up with to keep the teams' streams alive especially when the members dont play fortnite
Chat we Thoomin
by YouTube ItsBrey January 9, 2019
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we thoomin in this club
by shxdzy November 10, 2018
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A lit asf word made by Lil Sus and Hamlinz.
“damn Hamlinz is a beast”

“yeah but Lil Sus be THOOOMIN”

Thoomin means something is fire as fuck
by Bruh is here January 9, 2019
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When a banger or a really good song is turned up
"we thoomin in this bitch!!"
by Culd November 13, 2018
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