rbt 

Random Breath Test
Tests police use to check the blood alcohol percentage of random drivers. Uses a breathalyser device.

"Sorry mate, ill be running late, had an rbt."

rbt by bajibbles August 24, 2006

RBT 

Really Big Tits

yo check out those RBT over there.

I was looking at this girls facebook and she had some RBT

RBT by i heart RBT June 5, 2009

RBT 

Really Big Tits

Steve. That chick over there has some RBT
Darren. What’s that?
Steve. Really big tits

Darren. Oh I see

RBT by Darrall May 14, 2018

RBT 

Popular televised police program, following their endeavors of Australian bogans who drink and drive

~Random Breath Test

RBT Officer - "Where have you been from mate."
Leigh - "Yeah mate, just come from the local."
RBT Officer - "Okay, you've been stopped for a Random Breath Test."

RBT by BeverageBogan October 30, 2018

RBT 

He who encourages and supports women for engaging in sexual activities or is a slut maker.

The other day, jennifer was RBT'd man.

RBT by whiteape March 22, 2020

RBT 

RBT stands for “real based & TRUE” .
It is often used as a response to a statement.

R: “This new eflbar that, I got tastes really good.”
F: “RBT.”

RBT by DefNotMaxine December 14, 2022

RBT 

1. Random Breath Test. A procedure used by police officers to identify motorists who are driving under the influence of alcohol.

2. Random Brake Test. A defense mechanism against tailgaters, whereby the driver being tailgated applies a small amount of pressure to the brake pedal to trigger the brake lights without slowing down their vehicle.

1. Stevo lost his licence when he got done for drink driving by an RBT

--

2. "There's some cunt in a Ranger right up my clacker even though there's like six cars ahead of me and they're all doing the fucken speed limit. Better give old mate the RBT."

RBT by Robert Sanvagene November 8, 2023