Half man, half girl. Can drink as much as a college boy, but still has female sex appeal. The most notorious MERL, rumoured to be named 'Noor', attends the University of Colorado at Boulder and can be spotted at the bars on a daily basis on the prowl. Though there is no actual documentation of this MERL, many have claimed to have spotted her on several occasions. Use caution in the presence of a MERL.
"God I love being half man, half girl"
"MERL, you probably shouldn't say that in public anymore"

"MERL you are the coolest 'guy' in the house"

by cupcake16 January 21, 2009
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A girl wich is very funny and highly intelligent. Merle is possibly the most loyal Person you'll ever know if she falls in love with you, you will have an place in her heart forever. Having Merle as an friend is great luck because she is always doing her best to make her friends happy. She is one of a kind!
"I just can't forget that one girl"
"She must be a merle"
by Houstonbatman March 17, 2017
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A person who never give up and go on and on. Loyal and a true friend. Smiles every day, even when she isn't happy. Very selfcritical, but also very mad. Beautiful, but she don't realize. Listen to everybody
Merle, come over. I have to tell you something
by Joshuaa March 31, 2017
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Other word for merman. A man with a fish-type body from the waist downwards.
Plural: Merlings/mermen.
The word is used sometimes in the "a song of ice and fire" book series from G.R.R. Martin.
"Wow that guy swims like a boss!".
"Lol, prolly a merling."
by ReiniFtw April 13, 2013
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A man or a woman of great intelligence. Attributes include high intelligence, great personality, loyalty, and friendship. Comical sense of humor. Allergic to drama and loose women/men. Also, an old Irish name meaning " blackbird"
Merle is a pearl of a girl. Merle is a man of his word.
Merle is very smart.
by smoothe operator 16 October 17, 2010
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A woman who puts everyone's happiness before herself.
Caring, Generous, Rude sense of humor.
"who is doing the dishes ?" "Merle is doing the dishes".
by QuietlyCraving February 13, 2010
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Guy: Hey girl, you ready to do it? *whip's it out*

Girl: WOW, Now that's a Merle
by sumyung April 18, 2010
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