Like motorboating, but on a vagina. Bonus points if your head is literally underwater, like in a pool, bathtub, or jacuzzi.
“Dude! I went submarining on Alina last night!”

“That’s awesome!”

“Too bad I nearly drowned, on the fact that she got horny while we were in the hot tub.”
by darthax234 February 25, 2022
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A Muslim who converts to or practices Islam without revealing their conversion or Islamic faith. They practice Islam in secret - sometimes not even telling their own family members. Reasons for this behaviour includes not wanting to be discriminated against; avoiding the drama associated with Islam's stance on homosexuality / Palestine etc; avoiding fallout issues with family members and friends.
Joe is a submarine Muslim, you won't see him wearing a thobe
by Moderately Concerned June 20, 2023
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1.(adjective) A pregnant woman swimming

240000000000: (noun) a submarine made of human flesh
e human submarine 3023ur90uw983rh8i3wn4rij283u5823jh8u42390urn80u23hr834j8rnwuerbyw4b fhvbdriuefg8ye4rhf834gr89ybryg8y34vbr9ervbireb
by amogusrule34 July 24, 2021
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When you smoke weed out of your asshole, lighting and inhaling the weed through your asshole, while a girl sucks you off and you exhale the smoke through your penis, so she can therefore get high as well.
"I hate my life." "Hey, don't be sad. lets " The Yellow Submarine" our problems away. Got any weed left?" "Hell yes"
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The act of filling a condom with sperm, then boiling the rubber, and inserting it into ones anus.
Hey bro, I just burned myself doing a Hawaiian Submarine. I’m going to the ER right now!
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A person who is undetectably gay but pops up and shows themselves occasionally.
John is such a submarine gay, he only comes out in the George.
by Kingdomman February 17, 2016
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