Cleaning The Fish 

Cleaning the fish is the act of using the mouth, lips, and tongue to stimulate the female genitals, usually to bring to orgasm or as foreplay.

Jeff went over to Angela's place to clean the fish. Cleaning the fish is best when the vagina is shaved.

Cleaning The Fish by HugeBonerInMyPants April 21, 2008

cleaning the fish tank 

A slang term for lesbians eating each other out.

What were u girls doing in there? Cleaning the fish tank.

cleaning the fish tank by Slam Clown January 20, 2010

cleaning the fish tank 

v. : to engage in sexual intercourse or other sexual activities in the bathroom.

Andrew: Dude, what was that girl and guy doing in the bathroom?
Leo: They were just cleaning the fish tank.
Henry: "Cleaning the fish tank"

cleaning the fish tank by scoobydrew February 26, 2008

Cleaning out the fish-tank 

A particularly large dose of man fat applied liberally to the inside of a woman's beef curtains. Ideally needs to be enough for a fair amount of drippage

Jon : Why didnt you answer your phone last night?

Ad : Mate! I was cleaning out the fish-tank

Jon : but i phoned back an hour later

Ad : Bow chicka wow wow

Cleaning out the fish-tank by ExcellCRW November 27, 2011