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This guy is a nock off mario and loves to bark at his dog! :)
Tommy G is a crazy little mario man! ;)
Tommy G by Leo is mole rat January 30, 2020
A person who avoids any sexual experience with any women yet will talk a big game in order to keep up reputation. Usually makes secret meetings with other men and younge boys playing the roll as the "catcher".
"Wow! That fag is such a Tommy G."
Tommy G by Iluh Weienerz February 1, 2014

Tommy G. 

A cocky man that needs to use his last initial to make himself feel special. Probably a stripper, model, body builder or some other job that requires no intellect. Uses body and limited brain power to lure in women who are in search of the STD of the day.
See Tommy G. over there?
Yeah the buff dude with that chick, what about him?
Dude can't add 2+2 but gets pussy all the time.
Tommy G. by Laurie Ann September 1, 2010

Tommy gums 

The act of performing oral sex without having teeth, or taking your teeth out. i.e. dentures
"Bro she took out her dentures and gave me them Tommy gums."
Tommy gums by JustinMoneyWeed November 20, 2011

Tommy Gavin 

to drink liquor (vodka, whiskey or rum) straight from the bottle with no mixer and no chaser.

Based off Denis Leary's character on Rescue Me, Tommy Gavin
I'm going to Tommy Gavin this fifth tonight
Tommy Gavin by prz77 July 14, 2011

Tommy girl 

(adj.) also known as T.G or tommy, defined as women in the lesbian community that are feminine but chooses to wear masculine clothes. Originally derived from tomboy, referring to a girl that partakes in dominantly male activities; These woman may or may not be the dominant partner in the relationship but still wears masculine clothing. They are usually are attractive, high maintenanced women that are well dressed and well-kept.
Tommy girls: Whitney (from Real L word), Shane (from L word), Tyra B (Singer), Nneka (Singer), Ellen Degeneres, Samantha Ronson
Tommy girl by Janay&&Karma April 23, 2011