ok think about a fish tank four sides so you need four people 2 girls and 2 guys make the guys face the girls and then they have sex standing up so they make a two lines next to each other like the equels sign. now there are sides air between the people are the sides and a bottom!
man: lets fish tank all night
lady: but we need more people
man: get your roomate i 'll get mine
lady: ok

and they fish tank alllll nite long and moan

I like the wayyy u fish tank baby
by karlee furlicker July 27, 2009
10 more definitions
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
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
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
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
a term used when something upsetting happens; "just my luck"
When she lost the game, she said "aw fishtank!"
by hahajimmyinyourface August 17, 2010
When someone who is skateboarding or running does not notice a pane of glass and collides with it.
“How‘d you break your nose?”

“I didn‘t see the glass door when I ran inside and I totally pulled a Fish Tank."
by Tall Jesus April 05, 2011
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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