changing your life / lifestyle to match that of your new girlfriend. matching your girlfriend's likes and dislikes and forgetting yours
James is a boyfriend chameleon, b/c he used to drink and jerk off to the iPhone, but now he doesn't drink and has a blackberry b/c of his gf.
by jgp021979 December 01, 2010
Noun: When a male changes his interests, hobbies, and lifestyle to match his girlfriend's interests.
Jake is such a boyfriend chameleon! He use to hate and make fun of the hipster style, but now that he's going out with one, he changed his entire wardrobe and became a hipster himself!
by JntKbwy September 21, 2011