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15.
BTG
An acronym meaning 'Be That Girl' or 'Be That Guy' used in juxtaposition with a normally insulting comment; intended to woo the recipient of the statement. Often perceived as creepy rather than endearing.

Friends sometimes use this as a joke with one another, pretending to creepily hit on each other, for a good laugh.
Guy: "Ughh, you're so stupidd! ...BTG?"
Girl: "Seriously? Ew, no!"
Guy: "OK, I'll call you later :)"
by trackstah07 July 28, 2009
 
16.
batti gyal a lesbian: a women who like women
yo is she a b.t.g?
yeah u know her right, shes a b.t.g.
by soulja gurll January 03, 2008
 
17.
BTG
Abbreviation: better than God.

First used in the atheist forums in Yahoo! Message Boards - where investigation into the stories in the Christian Bible, shows that (mere) humans are capable of better moral conduct than the biblical literal God.

For example: Instead of smiting the men, women and children of Sodoma and Gomorrah, God could have intervened into their lifestyle and taught them better ethics and responsibility, rather than the wrathful smiting of them. This example of moral decision shows that one is better at imagining moral conduct, better than God.
I am BTG.

My god is BT your G.
by Salomon - better than God May 31, 2004