sewer trenching 

Urinating in a girls vagina while she is on her period.

I went sewer trenching with my hoe last night.

sewer trenching by toni glocks October 25, 2007

sewer rat 

1: Rat that lives in a sewer.
2: One who enjoys anal sex, especially a male homosexual.

See: marmite miner, fudge packer, uphill gardener, etc.

"Time to trap, this place is full of sewer rats"

sewer rat by oracle August 20, 2004

sewer rat 

A rat that lives in sewers, comes out at night and rapes and pillages the neighborhood

My Uncle Jerry likes to play with sewer rats and pound lumps on Fred Flintstone's head.

sewer rat by Punk Livingston December 26, 2003

sewer surfing 

the act of inserting a object or penis in a anus and very quickly spinning around

hey Dave, what did you do last night Easy, i went sewer surfing

sewer surfing by mancream August 21, 2011

Sewer Sausage 

In Reference to Defecation. A Big Long Turd.

Check out that Sewer Sausage Coiled around the Toilet Bowl

Sewer Sausage by KO Sledgod March 13, 2008

Sewer Rat 

Martin Perkins

haha, sewer rat!

Sewer Rat by Pete Willis June 4, 2003

Sewer Snake 

A man who enjoys anal sex

“Hey Dan, I think I need help. I’ve become quite the sewer snake.”

Sewer Snake by CooterCrafting August 26, 2018