1 definition by Iwasjoking

Top Definition
1) Before Top Gun

2) landmark moment in societies history.

3) reference point for cultures timeline. Akin to B.C. And A.D.

4) before 1986
Your are so young and don't know anything. I bet you weren't even potty trained B.T.G.

Were u even born B.T.G.?
by Iwasjoking November 05, 2010

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