When a British actor portrays an American character with an accent so convincing that the audience is oblivious to their native accent.

The word derives from teaboo (see also: freeaboo, weeaboo). With the "tea" referencing the stereotype of British people drinking tea.

The opposite of teajacking is freejacking.
Whoa, I just found out the actor who plays Dr House was teajacking. I thought he was American this whole time!
by smchl August 14, 2019
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