"Couldn't Live Without You". Very affectionate term, often used over text, to convey love so strong that it is necessary for the speaker to survive.
Robbie: "Clwy babe, you're the reason I breathe."
Jennifer: "Clwy either baby, but I'm still not sucking your dick."
Jennifer: "Clwy either baby, but I'm still not sucking your dick."
by veritytrills April 7, 2015
"clwy" stands for "Can't live without ya" so it's meant like "nwly" which stands for "never wanna loose ya"
by Blacktronix August 4, 2007