amcsi

Hungarian Slang for "American".

I talked with an amcsi last night.

by Tudi20 January 25, 2021

FBK

Popular abbreviation in Japanese to the vtuber Shirakami Fubuki, who is part of the hololive group, and gained popularity in the west due to videos of her singing old songs, that have turned into memes.

A: Have you seen the new video by FBK?
B: OMG! It's so cute!

by Tudi20 April 17, 2020