Who is Big John on TikTok and what does 'Bosh' mean?

John Fisher gives geography lesson with variations of bosh from

We Were Banned At But Some Things Can't Be Big John TikTok, 40% OFF

Big John - UK

BIG JOHN HAS ENORMOUS CHINESE #bigjohn #bosh #chinese

This will never not make me laugh : r/CasualUK

Bosh Shirt, Tiktok Trending, Cool Graphic Tee, Unisex Fashion

Fighting with the Fishers w/Johnny Fisher & Big John - Fighting On

Big john - the boshfather

We Were Banned At But Some Things Can't Be Big John TikTok, 40% OFF