bilge rat 

the bilge is the part of a ship below the floor boards of the bottom level, just above the hull... ie the darkest and most grim part of the boat. a rat is, well, a small annoying (and to some people, scary) rodent. Therefore the term "bilge rat" is a pirate insult.

arrr, ye be a great foolish bilge rat, ye be!

bilge rat by Mad Sam purple'ead January 4, 2005

Bilge Rat 

A Stoker or Spanner Wanker in the Royal Navy. Officially, they are Marine Engineering Mechanics or MEMs. Also, it's accurate since they usually spend a lot of time in the underbelly of a ship.

Does that Bilge Rat ever do any real work?

Bilge Rat by Mr Rusher August 21, 2007

Bilge rat 

Someone who doesn’t own a boat or has no intention of ever owning a boat but enjoys fishing and will do anything to go out in his friends or acquaintance’s boats.

Jordan is a real bilge rat.

Bilge rat by Barracod May 20, 2019

Bilge rat 

An unattractive individual on or near a body of water. Typically also looking for love.

Avast! Upstream be a gaggle of horny bilge rats. Keep yer head on a swivel, me hearties!

Bilge rat by River Boyz July 22, 2025

Binge Rat 

One who watches entire seasons of a tv show in a weekend.

Laura is a binge rat. The girl watched all of season one over the weekend while eating cheese doodles on her fetid couch.

Binge Rat by Jody South August 19, 2021