Similiar to Motor Boating, only submarining involves a really loose girl so that you can effectively motorboat her cooch.
truf truf truf
da da da
"yo, u know tits-magee?"
"yea, you could use D's-magees'pussy as a slingshot"
"I know, I submarined her last week"
"you no good, submarining son of a bitch!"
by Da da da May 28, 2006
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A sexual act involving a man eating out a woman's vagina while masturbating. Just before the man cums he looks up at her and when she notices him looking at her he says "Target locked". While the girl is still in confusion he says "Fire Torpedo!" as he jumps up and cums in her face. Then walks away saying "Target Destroyed"
"Kellsi was so surprised when I gave her that submarine for her birthday"
by DJ {Taco} September 15, 2008
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Being online on a web messenger service but appearing as if you were offline.
Ash: "Are you submarining again?"

Cynthia: "Yes, I don't want to be bothered by all of my contacts, so I answer only those I want to talk to."
by cyncyncynthia February 3, 2008
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The act of ripping a bongload then chugging a beer before exhaling the smoke.
Dude did you see that guy at the party do a submarine and pass out on the floor? Classic.
by Bart Mancuso February 9, 2010
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The act of motor-boating the vaginal lips during oral sex.
Her snatch tasted so good i submarined that shit!
I LOVE Submarining!
by Nilentropy July 18, 2010
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(verb) To get someone drunk without their knowledge or to trick someone into drinking more than they intended.
Sean: Jim what happened to you last night?
Jim: I don't really remember, I think Phil submarined me.
by Redfield04 December 3, 2007
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