Rio is obviously a funny ass nigga

He's wit dat gang shit a got a very large buff penis and bitches need to stop touching his ass
by Leslie Johnson January 24, 2019
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A Rio is the most beautiful girl in the universe, and it leaves all the boys speechless except her boyfriend, of course. A Rio usually is a blonde with long, shaggy hair that stuns almost all the boys. She has startling hazel eyes with a strong hint of green and an attractive smile. She is actually pretty curvy but doesn't use any of that to show off, because she only wants true love.

A Rio knows how to dress for every occasion. You can find her usually wearing an oversized green sweatshirt with jeans or yoga pants on most occasions except formal ones. She NEVER has to wear makeup, it'll just make her uglier.

A Rio is the most sweetest, kind, and caring girl you will ever meet, but she is more a tomboy. She is outgoing, and her sarcastic (but not rude) attitude is one to fall in love with. She is very good at sports, roller skating being the best. Also being the most competitive, she will most likely crush everybody, but she has good sportsmanship and won't insult any other player, no matter how good or bad they are. A Rio is also insanely smart, but not just academically. Her knowledge lies in common sense and logic, a trait so few have today.

Most importantly though, a Rio is herself. She is hands-down the best girlfriend you will EVER have. She is truly an angel and will take your heart instantly.

Look out guys, if you are ever this lucky to meet a Rio, take full advantage of it. You won't meet another one for life.
Guy 1: Omg, that girl is so pretty. Just look at that beauty.
Guy 2: Dang... (thinking... she could be a Rio.)
Guy 1: I heard her friends say that she's so fun to be around.
Guy 2: Cool. (She's probably a Rio.)
-A few days later-
Guy 1: Omg I just met her at a restaurant and she is just so beautiful, I can't even look her in the eyes for 10 seconds. Plus she's funny, really nice, and she paid for her meal and mine! Can you believe it?! We just met!
Guy 2: Yup, she's definitely a Rio.
Guy 1: What
Guy 2: Man, I TOLD you to check up on the Urban Dictionary.
Guy 1: My bad... but she is just so beautiful...she's an angel...
Guy 2: *slaps forehead* Yup he's obviously head over heels.
by Lhomas101 January 30, 2019
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The most homo pansexual around.
If you’re male you better clench because he will take your cheeks faster than you can moan.
If your name is Nick than you have already experienced the Gud succ succ.
If your name is Tad... than you’ve given the succ succ
Rio: Nico gimme them cheeks boi.
Nick: Not if I take yours first.
Tad: Hey guys let me join!
Derek: *Pulls out gun* Everyone get on the ground at spread your cheeks.
Tad Rio and Nick: Yes Daddy!
by Ur mum gay 6ix 9ine December 11, 2018
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A Rio is commonly used when labelling someone or something that is mentally, but often physically, retarded, misshapen or delayed.
Oh look that guy walks funny... what a rio!
by MitchAaAaY September 22, 2008
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A type of airhorn used to relay messages instantly.

Also a boys name.
I need to spread a rumour instantly, think ill use the Rio.
by larksmeistergeneral July 11, 2008
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A boy who is a complete and total ass. Likes to get stoned, party, fight and ride motor bikes. Usually is a player, and will cheat on any girl and every girl. Also tends to be a huge source of drama. Often asks females for topless picture on his cell phone. He wont take “no” for an answer and tends to harass you. Rios are also usually compulsive liars and will tell you what ever he thinks you want to hear. A Rio may also be used to describe a guy who dated a girl until she cheated, then took her back and knocked her up.

Remember never trust a Rio.
"Dude I cheated on Sarah"
"DUDE! THATS SO RIO!"

Boy:"Heyyy, can I get a pic ;"
Girl:"No, sorry hun. I got a man"
Boy:"Come on i want one really baaaad. And im better"
Girl:"Your being such a Rio"
by Jay720 January 8, 2009
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A heavy menstrual period that requires numerous absorbent pads and tampons; a very heavy menstruation; menstruation
Woah, my rio was so bad, I needed a super plus tampon and an overnight pad!

Her time of the month is upon her so beware of rio!

Rio was like the Rio Grande!
by Clare Schmare September 12, 2011
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