An adjective used to color certain nouns relating to females; describes the subversive way that women use thier bodies.
Remember who I told you I wasn't going to bother with anymore? Well, she called me about 10 seconds after I'd gotten off the phone with you, like she had some breastacious, mental link with my mind, as if the moment I might vow to divorce myself from her company, she'd somehow pick up on this.
by Flowjack February 11, 2004
Get the breastaciousmug.