NNLY
An abbreviation for 'Night night, love you'. Used over text when ending a conversation in the evening, usually by those in relationships.
"Alright babe, I'm off to bed now. You still staying up?"
"Yea, I'll go in a bit. NNLY"
"NNLY2"
"Yea, I'll go in a bit. NNLY"
"NNLY2"