rubber necker 

Person who cranes, stains or otherwise awkwardly turns their head and stares while passing the scene of something interesting (usually morbid in nature).

This is usually seen and performed while driving past the scene of an accident, or any other incident where there are police, firemen or ambulances with lots of flashing lights.

rubber necker by Batman July 11, 2004

rubber check 

A check that is going to be returned for non-suffecent funds

All that woman writes are rubber checks, I'd only take cash from her

rubber check by anonymous August 28, 2005

Rubber Band Money 

Money wrapped in a rubber band to walk around with to spend.

I'm doing fine. Got some rubber band money. Let's party.

Rubber Band Money by jmasalle April 14, 2011

Rubber train

The act of simultaneously stimulating the anus and the penis by means of rubber dildo and rubber pocket pussy.

Jake: hey man what are you up to?

Ben: nawww man not much just got off the rubber train in my shower.

Rubber train by Ballsinyourmouth12 June 12, 2013

Rubber Tits

Fake boobies.

‘Michelle has had new rubber tits installed’ smiled Steven.

Rubber Tits by AstrayMind98 March 27, 2020

Rubber Coin Slot 

The anus. Derived from a certain scene in Spongebob where two characters tried to shove a coin up a seahorse's ass, thinking it was a coin slot for a kiddie ride. See Chocolate starfish or Leather cheerio.

My rubber coin slot is itchy but I can't scratch it or else my hand will smell like ass.

Rubber Coin Slot by 1337retard May 21, 2020

Rubber Andy 

Synonym for motorcyclist, typically used in a negative connotation.

Person A: "Motorcycles keep driving by my house when I stream, it's so noisy!"
Person B: "Those damn Rubber Andys always think they're so cool. Sorry about the noise, bro."

Rubber Andy by Colbyte_ July 15, 2020