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Definition 1:
A mech out to help all beings he has taken down Thanos in a 1V1 match

Definition 2:
To scream “CHUGGA, CHUGGA, CHOO CHOO” as you drool into your girlfriends boobs and shake your head like a dog
“He is such a Thomas The Tank Engine

“Did you hear he did the Thomas The Tank Engine last night”
by SpedFromAnotherShed October 16, 2019
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A dope ass mothafuckin train. Many people ship him with Percy, that one green twink engine.
"Bro, that episode of Thomas The Tank Engine was lit af."

" Yeah nigga it was danker than my kush. "
via giphy
by DemDankMemz October 03, 2018
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When a male with a boner runs into a female with her legs open and inserts the penis while running
Hey babe, wanna do the Thomas The Tank Engine?
by FuckMeSillyV2.69 September 21, 2019
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