Either Spanish slang for a cigar, Cuban slang for Dad, Japanese for "professional", at least similar to "pure/to purify" in Spanish, Italian, French, Dutch, Romanian, Catalan, or Portuguese, or something I'm pretty sure you know by know if you've been on the Internet since 2021.
Puro pinche is Spanish for "pure fucking" often used to describe something
"Aye wei is there hot girls at the party?"
"Puro pinche fine ass bitches wei"