Boyfriend territoy is the places on a girlfriends body that only the boyfriend gets to touch. Obvious ones are boob/vagina, but there is also the small of the back and waist/hip area.
Person 1: Oh my gosh! He just lead her to that room while touching the small of her back!

Person 2: Are they dating?

Person 1: They must be! He went into boyfriend territory!
by Slangwriter4eva March 31, 2012
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Once a guy friend becomes a boyfriend, he must tolerate the responsibilities and duties of being the boyfriend such as giving his girlfriend his sweatshirts, listening to his girlfriend's complaints about others, seeing her without makeup on, etc.
Boyfriend: Why are you complaining about your friends so much? They're your friends, don't you like them?
Girlfriend: Of course I do but you're my boyfriend so listening to me complaining is part of your boyfriend territory.
by ICNDDUEC June 1, 2017
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