Gn Sd Tc

It literally means, 'Good night, Sweet dreams, Take care'. It is used when a person chatting with some one else needs to sign off and go to bed.

Person 1: Bye.. have to go to bed.
Person 2: Gn Sd Tc
Person 1: You too :)

by hds2002 December 04, 2015

See you later alligator

It is one of the informal ways of saying goodbye to someone. Apparently, this phrase has been derived from a 50's pop song. The person to whom this phrase is being said, says- 'In a while crocodile!'

Mark: See you later alligator!
Janet: In a while crocodile!

by hds2002 December 04, 2015