by miss carebear April 10, 2009
 Get the Cosymug.
Get the Cosymug. An adjective used to describe something that is "cool" or, as used to be said "sick". Believed to have been first coined in the North of England.
by nicol3isacat November 9, 2013
 Get the Cosymug.
Get the Cosymug. by Lord darthwager July 8, 2010
 Get the Cosymug.
Get the Cosymug. When you and a friend are close but are not in a relationship. So you act like a couple but you’re not actually a couple
Guy1: “You and that girl last night, you two looked real close!”
Guy2: “Nah we’re just cosy with each other.”
Guy2: “Nah we’re just cosy with each other.”
by AcRa SwArM November 11, 2017
 Get the Cosymug.
Get the Cosymug. by BuhBoyle March 30, 2006
 Get the cosymug.
Get the cosymug. Refering to a girl, The best friend you will ever have. She's hilarious and beautiful and kind. She has a beautiful voice and lives cats and tea. a total sweetheart.
by somechickyouproboblyydontknow. December 15, 2014
 Get the Cosiemug.
Get the Cosiemug. cosi is name shortened from cosima, it describes a attractive and sexual women who is very very very funny and good with boys
by djdjdjjdjdjdjdjdjdj July 10, 2011
 Get the cosimug.
Get the cosimug.