Doing a Harry 

Trying to barricade a doorway while preparation phase is over and dying to a rusher in Rainbow Six Siege

Oh damn you just did a Harry

Oh no I think Im doing a Harry right now

Doing a Harry by TotallyNotHarry October 19, 2019

Doing a Harry 

Where you talk on a video call while you've muted yourself, like a classic Harry.

Harry: ...
Anyone else: "You're doing a Harry. Unmute yourself."

Doing a Harry by TLJOMG June 9, 2021

Doing a Harry Potter 

Leaving the girl you have a crush on to your best friend for instead being able to make out with his sister.

A: "Did your hear that John is now dating Ryan's sister?"
B: "Well, Ryan is in a relationship with the girl John had a crush on, so I assume John was doing a Harry Potter."

Doing a Harry Potter by Bundesandler September 9, 2018