The act of posting pictures on social media of you with your romantic partner and tagging and/or captioning the pictures with "bae", "bf/gf" so if someone looks up your partner, it is made blatantly clear that your partner is taken and in a relationship.
Gina wanted keep hoes away from her boyfriend Johnny, so she went territory marking on Facebook, posting numerous pics of her and her boyfriend.
by Emax November 12, 2014
i gave my girl a hickey so people know shes taken aka Territory marking
by nodoubtjim March 31, 2014