The-Size-Of-My-Thighs, often used after "that's a mood" forming the phrase "that's a mood the size of my thighs."

Acronym started by the Tumblr user @lost-in-my-broken-heart
Em: Ugggg. I can't remember my times-tables
Ash: Omfg that's a mood tsomt
by TheyCallMeYung-Dagger-Dick September 13, 2018
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The Size of My Thighs, an acronym commonly used after "that's a mood" to form the phrase "that's a mood the size of my thighs. This acronym was first created by Tumblr user @lost-in-my-broken-heart
Em: Lmao, I can't even remember my times-tables
Ash: Omfg that's a mood tsomt
by TheyCallMeYung-Dagger-Dick September 13, 2018
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A mood ‘the size of my thighs

A BIIG MOOD
A - uuughhh I’m so hungry I might pass out lol
B - that’s a mood tsomt
by Ittakesonetobeone September 13, 2018
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