pig bottom 

One who will do anything to be anally penetrated---repeatedly.

Joshua's ankles are filled with helium, as he's such a pig bottom. One look and he's flat on his back for hours.

pig bottom by Guillermo August 25, 2003

Pig Bottom 

A person that enjoys being anally penetrated by as many people as possible. They like it dirty and don't care how they get it or who they are getting it from.

Russell is always out carousing, he is such a pig bottom always looking for multiple guys to gang bang him

Pig Bottom by Blowing Bubbles January 12, 2009

Pig bottom 

In BDSM, 'bottom' typically refers to the individual who is the recipient of the actions of the top or dominant. Pig meaning 'greedy as a pig'

She's a dirty pig bottom, she just loves dirty sex and lots of it.

Pig bottom by bellaluva June 11, 2009

Dirty Pig Bottom 

Is a Gay Man who will allow any and all comers. He is a dirty because he will take anything inside him either a fist or man or ice cube tray etc...he is a pig because he does not care what man enters him without protection or what disease he might have. Ushually the pig is the one who has the HIV or other s.t.d. last he is a bottom because he likes to receive catch or be dominated.

I met this guy the other night in a bush at the Fenway in Boston. He was a dirty pig bottom, he let me go bareback and I brought a nerf water gun and we got into water sports, he let me assault every hole. Dirty little pig bottom he was, he is at my house now lol.

Dirty Pig Bottom by The Filthy Animal January 14, 2019

Bottomless pig 

More than a bottomless pit. A bottomless pig will eat and eat and then eat some more. It is a combination of "bottomless pit" and "pig".

I ate a lot already, but I cannot stop eating. I'm a bottomless pig!

Bottomless pig by Indyaly July 12, 2010