Time Sponge 

A place on the internet where you go just to check something out, then spend hours playing - like typing names into Urban Dictionary

I spent an hour elf bowling - it is a definite time sponge.

Time Sponge by Huntch March 9, 2010

Blood sponge 

A blood sponge is another word used for tampon.
A female product used to absorbe blood and such
when a female has her period.

"It was her time of the month, so she used a blood sponge."

Blood sponge by iheartyou October 29, 2005

sperm sponge 

Often a girl or woman that loves sucking and fucking men on a regular basis. Sometimes a homosexual male can also be refered as this.

Man, my ex-girlfriend is a total sperm sponge now.

sperm sponge by tayb October 17, 2005

morale sponge 

An expression widely used within the military to describe a person who, by their input or presence, have the ability to suck all the fun out of a particular task or situation.

"I used to enjoy being on nights, but recently it's been such a drag because I've been on with Danny, he's a total morale sponge."

morale sponge by dlc671 April 3, 2009

Sports Sponge 

A variety of couch potato. Namely, a guy who spends all of his free time sitting/lying around and soaking up sports information (stats, possible trades, etc.), often, though certainly not always, while drinking beers. Often such characters have a hostile, macho attitude, making them less agreeable than the average couch potato. Very common in the northeast USA, and USA in general.

Steve is a sports sponge. He spends all his free time watching sports, watching ESPN, and drinking beer.

Sports Sponge by ANGRYMOTHERFUCKER December 9, 2010

Vagina Sponge

slang term used to describe tampon

or used to describe a guy who gets a lot of women

Julie - "can you pass me a tampon hunny?"

Dan - "you mean a Vagina Sponge."

John - "did you see that dude? he has 3 girls hanging off him."

Jeff - "dude, he's a total vagina sponge."

Vagina Sponge by jmd1993 May 18, 2013

Clunge Sponge 

Tampon

Betty had to put in a clunge sponge as she just came on her period in the middle of town.

Clunge Sponge by BUM BOIL March 5, 2015