Much like going commando, when women don't wear a bra. A lot like when guys go free balling when they don't wear underwear.
guy 1: Daaaaamn look at those boulders!

guy 2: wow, talk about tera-flop.. she must be free breasting
by T.J. Dubz May 27, 2009
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When a girl does not wear a bra and the breasts are free range breasts with no restraint.
I am going free range it is nice not having them straped in, my breasts are free range breasts.
by Gegroe March 18, 2017
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