Short for Wapanese, meaning a non-Japanese person obsessed with Japanese culture. Basically another way to say "weeb"
That wap always watches that weird anime show.
Tommyinnit: WAP: Worship And Prayers chat—C’mon Tubbo give us some waps
Tubbo: UHhhh from the top—Jesus drops—now that’s some wap.
Tommyinnit: *looses it*