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1. A unit of measure based on the erect length of a Black Irishmen's penis. It is the equivalent of one quarter of an inch, 3/8th on a good day
Phil-"Jelly Bean is an animal! Guy snorted a line 20 Rileys long!"

Ron-"How far does this panel have to move?"
Mike-"About 3 rileys, give or take"
Riley by Son of a Nerger October 27, 2016
Riley is a difficult character to explain. She is kind, happy, fun and pretty as well as very stubborn and loves breaking the rules. It may seem her sole purpose in life is to push peoples buttons but there is more to her than that. Out of everything, her siblings mean the most to her and her hot head is often cooled by being with them. She expresses her siblings as her best friends of all time and if anything were to happen to them she would be there with them. If you have a sister called Riley, never let her slip away. She will always have your back
These are my sisters, Ava, Jade and Riley. Riley is my best friend.
Riley by Peng_Names April 28, 2019
The greatest girl in the entire world. Giving, loving, caring... the type of person that gives one hope in humanity. Lastly, the girl that I love and cherish to no end.
Riley of Virginia is the coolest person on the planet.
Riley by Joe February 4, 2005
Well.... Riley is all round goofy. Riley is very hot and will do anything to make you smile and laugh. He seems nerdy until you get to know him... he's still kinda nerdy. But he's just amazing and a great friend.
Oh you know Riley... Ya the goofy guy over there... I mean he's pretty hot too.
Riley by Awesomeness552 November 23, 2016
"She's annoying, her name must be Riley."
Riley by Soupwithbowl August 15, 2017
A gay boi who will be gay for all of time, also his mom also gay.
Look its Riley, Omg he's so gay
Riley by My mom not gay May 9, 2018