Short term for "Take Care, God Bless".
Boy: hey! i heard that tomorrow is your flight to Singapore.
Girl: yeah, vacation for a week! yehey!
Boy: wow! i like that.
Girl: hehe... gtg, i'm going to pack up my stuff.
Boy: okay, enjoy your trip! TCGB!
girl: thanks! ;)
Girl: Happy birthday! enjoy your special day! TCGB.
Boy: tnx :D
A collection of men in power whom are in a secret society, an acronym for something unknown, but has been guessed repeatedly as "Titty Cock Gay Boys".
Wow, I really wish I were TCGB.