Certi 

short for certified. When someone or something is really cool

My friend can do a back flip. That is so "Certi"

Certi by D_MANLYK June 1, 2017

certi 

certi si basically the short way of saying certified

A: see Nathan and Rachel have been dealing for 3 years and they haven't cheated on eachother
B: rahh they're relationship is certi

certi by Teddz Ldn April 4, 2015

certi 

British slang. Short for certified, means “cool” or “sick”.

Similar meaning to other British slang terms ‘sweet as’ or ‘sound’

Mark: “i’m gonna bun in my gaff when the missus is out if you’re up for it”
Philip: “yes mate that’s certi”

certi by ahj03 September 16, 2021

certi 

certi-fied
another way to describe the music made by a vintage rock band called queen.

Freddie Mercury made a certi song today.

certi by good old fasioned lover boy March 27, 2019

Certi Driver 

A driver who shows no regard for the safety of themselves, their passengers or anyone in the area by driving extremely recklessly seemly choosing the worst times and places to do it whilst using words that do not go together in the context used (illiterate) such as "show them what time it is"

He's a certi driver

Certi Driver by Shootin6mill May 24, 2022

Certi M8 

this can be used as a response to a question or simply as a reply to any given sentence. this word can be used whenever is deemed appropriate to do so.

example 1: jj- yoooo g wys wanna come briz and do bare shenanigans on shard
callum- Certi M8

example 2: urthe- mmdobidebo mate wanna come to my boat and do shrooms
calum- Certi M8

Certi M8 by cwizzle July 17, 2022

certi_ymz 

Certi_ymz stands for a racist and homophobic person, also mostly used by pakistani people

Ugh, hes such a certi_ymz

certi_ymz by uselessly June 11, 2023