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
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
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