a fat person that is so huge that they are no longer tubby. once they exceed tubby they become the fucking tubbinator.
Marwa-daaaaaaaaaamn that bitch is huge.
Gadeer-nahhh shes the fucking tubbinator!
by nOqOOd marweezy* September 30, 2009
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Committing an act in opposition of the expected and desired.

Can also be used in noun form, "a tub."
1. "Elizabeth still hasn't payed me back for last week."
"Man, that girl is tubbin'."

2. "That guy never did his half of the project, what a tub."
by boopityboopity October 10, 2010
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Tub·bin
(tuhb·binn)

-verb
1. The act of hanging out in a hot tub.
2. The condition of being in or around a hot tub.

related forms-
tubbing
tubbed
Are you down to go tubbin' with me?

Yo, you tubbin'?

We're about to go tubbin', you want to come?
by andyhi December 30, 2011
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Tubbins, the fattest thing in existence, loveable and cuddly too!
Other names : Tub, Tubby, Tubbsy, Lardass.
Wow! Look at the Tubbins over there! Isn't it loveable and cuddly?
by Theo Wildgoose January 19, 2005
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Tubbins:, commonly used to represent anything whats fat, large or naturally obese,
See: theo wildgoose
oh my god, its tubbins u fat shit!
by dave mullins January 20, 2005
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I took one look and chad and knew... we would be tubbin’ buddies for life
by AgentJ99 June 9, 2018
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The act of using a grenade launcher (noob-tube) in a war video game. Can be used because of its effectiveness and comedic value.
P1- Dude I went nub-tubbin in COD 4 and killed 22 people that round
P2- Ber, I watched you absolutely plunk that Nub right in the dome.
by Nub-Tubber March 25, 2010
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