When lesbian couples get interrupted by someone! similar to cockblocking but more fitting as its two women so hence tits. (titblocking titblocked etc)
Wynonna was titblocking Waverly and Nicole as they were kissing on their bed by opening the door and interrupting them. Waverly yelped in surprise and Nicole eye-rolled as they were close to sexy times ;)
by LittleLeoFitz October 16, 2019
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Opposite of cockblock, do not confuse with fondling.

So you’re a dude, some chick hits on you okay? But you don’t wanna do anything about it, so you friendzone the fuck outta her. That, my dudes, that is titblocking.
Dude, she was hitting on you so much, why did you titblock!!?!
by Holycupcakepatrol October 08, 2018
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