Peak is either a pointed top of a mountain or for social media.some that’s going to rise to its potential and it’s at its highest peak
Jack:bro there is this anime called dragon ball z and it’s peak.Caleb:that nice might check it out
British slang term- "that's sad/funny"(but I couldn't really care to be honest).
Example:
"Mate, emma broke up with me"
"ah, that's peak"
The friend hoenstly couldn't care any less, it's not their problem. It can also be used as a joke as well:
"My mum took my phone"
"Haha, that's peak"
Any dragon ball movie or series
Hey bro want to watch peak with me?
bro: Sure