Top Definition
The mysterious force that acts on large groups of females when they pose for a photo. While never strong enough to affect anyone in the background, or any male ever, it is strong enough to cause a slight buckling of the legs of photographed women.
Sarah strapped her knee before going to her hens' night, as her physio had warned her of the danger of girl gravity.
by Scott Timms May 21, 2012
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.