Top Definition
Hot gay action.
Normally used when girls don't want guys to know what they're talking about.
There was some HGA in that movie!
by Smile_Lines008 June 08, 2007
1 more definition
A group of girls that happen to be very hot and best friends. secretly they have a Alliance of hot girls Hence the term "HGA" which stands for "hot girl alliance" It isn't just coincidence that all the hot girls are in fact best friends. think about it...
i think Bella is in the alliance of hot girls she only hangs out with...well ya know hot girls!" HGA
by Omgblizzion June 29, 2011

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