Top definition
Yet another word for a pussy. Derived from the fact that they sometimes smell of a fish tank.
Your mothers fish tank stinks up the whole fucking room.

You stupid fish tank.
by GG January 24, 2004
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The vengeful act of crapping on a lover's chest while they sleep.

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2
a term used to initiate a physical connection between two people. usually used as a last resort when other person does not immediately respond to previous gestures. seems to be more prevalant when intoxicated or when at a party
a: did you know this house had a fishtank?
b: no i didn't, where is it?
a: oh its upstairs, come on i'll show you...
by smashley450 October 12, 2005
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3
The female equivalent of a "Sausage Fest." A room, place, or situation, filled with all girls, and little to no guys.
This party is such a fish tank, I wish there were more dudes here.
by JAHSIB February 05, 2012
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4
A slang term for a woman's vagina. Typically used to describe someone who is dirty and promiscuous, therefore smelling of fish.
After last night, Kiley woke up and found some algae in her fishtank.
by ktmcq February 28, 2008
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5
one whom does not stop having sex with people; one who has had much semen(or skeet) pumped into there vagina or mouth... or butt
janelle is a fishtank, i mean shit even joey got some from her.
by marlaine May 23, 2004
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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6
1. a group of loose women who are considered by all that view them to be the lowest sort of human being around

2. a girl with multiple std's
have you seen the fishtank?
unfortunately, ive got every std from aids to the herp
by icobobb crane October 27, 2005
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7
Look! Ya boi over there smokin a j in his car, thinkin no body can see him, but dat nigga rollin fish tank.
by Lacey G. March 14, 2009
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