To rub the vagina through the pants, not touching, just teasing. Usually through jeans, cause everyone wears jeans.
Amadou- "Hey maria"
Maria- "I have my period."
Amadou-"That okay i can just give you the ol' Rubby to stimulate you without getting blood all over my hands."
by Ruth Jenkins February 29, 2008
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An ancient beast that roamed the streets circa 1980's to early 90's. Had long hair, ripped jeans, and a Winger t-shirt. Often seen cavorting around night clubs and "metal" venues. It had a high pitched scream reminiscent of King diamond. It has been said this beast has been tamed and spends most of its time eating berries and listening to emo douche bags.
Jim - "Oh man I just saw Rubby!" Bill - "Cover your ass hes dangerous!"

"Hide your children here comes rubby!"

Rubby - "Grrrr Dio rocks my world yeaaaaaaaaaaaaa!"
by Blacky-T April 17, 2007
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The female version of a male "spank bank", in which graphic images are stored for recollection in a time of need for touching oneself.
Vanessa observed the strapping men sensually pressing their beards together and swiftly committed the arousing scene to her rubby cubby.
by Sm1ggy June 14, 2014
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A new British slang term meaning "wanker" or a person who is bad at something. This means it is both an adjective and a noun.
Ex. 1: *guy 1 beats guy 2 at street fighter*
Guy 1:Dude, you're such a rubbie at this game!

Ex. 2:

Guy 1: I did your mom last night.
Guy 2: Shut your face ya rubbie.
by Fidanzato di Chloe September 21, 2014
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A cuter way of saying "Chub Rub" which is the chafing of the thighs when they are exposed and rub together.
Xander: "How was the beach?"
Josie: "Good, except I got chubby rubby"
Xander: "Oh, that's sucks I'm sorry. Sounds cute tho"
by JozLuv September 23, 2018
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A completely worthless game where the sole action is rubbing your finger across your iPhone or iPad screen over a crappy, pixelized picture of a fatass yellow bird until your finger falls off, your screen breaks, or you realize what a douchebag you were for jerking off a picture of a bird in the first place.
John: What did you do last night?

Bob: I played Rubby Bird for four hours!

John: Instead of actually jerking yourself off? You're a douchebag.
by Lilyitha March 31, 2014
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Person 1: "Man, what did you do last night?"

Person 2: "Me and this chick rubby dubby last night."
by Trayaer March 3, 2014
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