britender
Someone that's a poser and pretends to be British. Possibly uses a fake accent.
Wow, Kat is such a britender.
Britend
Someone who is pretending to be British.
Girl 1: OMG I LOVE YOUR ACCENT!!
Britend guy: Thanks.
Girl 2: No! Obviously he's britend.
Britend guy: Thanks.
Girl 2: No! Obviously he's britend.