1)(noun) Someone who has had nothing whatsoever to do with the success of something, yet arrives late in the day, and then takes credit for its success. (see also:Cartmel)

2)(noun) A fat, smug, offensive, opinionated homosexual who parries any criticism of his ego with claims that the person who is disgusted by him is just homophobic.

3)(verb) The act of defiling something of cultural and historic value with some lowest-common-denominator smut
Guy 1:Yeah, yeah, I won the match! Me me me!
Guy 2:Dude, you only came on with 15 seconds left and never even touched the ball. Don't be such an RTD.

Rude bastard:Get out of my fucking way you ugly piece of shit!(spits at person)
Normal guy:There's no need to behave like that. Do you mind?
Rude bastard:Ahhhhh!!! You bigoted homophobic NAZI!
Normal guy:I couldn't care who you have sex with, but stop being so rude you fucking RTD!

3)Guy 1:Someone took a big shit all over the Declaration of Independence.
Guy 2:Yeah, they really RTD'd it!
by Mousebender December 21, 2011
An shortened spelling of 'retard'.
1: That guy is such an RTD
2: What, that's his name?
1: No. rtd as in like, retard.
by Amarinth August 4, 2009
Ride this dick-
Come over and RTD”
by TheGwizznigga June 18, 2019
Russell T. Davies. Executive producer of Doctor Who and master of the Gay Agenda.
Many fans believe that RTD must go!
by Joseph F May 12, 2008
Is an abbreviation for the YouTube term "read the description" for the misfits that don't read the description instinctly
Guy who didn't read description: "What's this (inside joke from the description) everyone's talking about?!?!"

Reply: "RTD"
by 00Superham00 July 2, 2018
Ride That Dick
Cum here slut and RTD.
by WheelrDealr December 19, 2012
Ready To Drink.

An alcoholic drink consisting of a premixed spirit usually vodka diluted with flavouring eg peach, blackberry, orange. About the same percentage as beer. Popular with teenagers
What are you guys drinking tonight? We are drinking RTD's.
by Nick Jones July 1, 2003