"Crizz" is a portmanteau as the result of the combination of "cringe" and "Rizz". Commonly used by the younger generation to specify how someone is flirting. The flirt must happen in a cringe way to be seen as "Crizz".
1.
"So I told that girl last night, when she asked for some fire, that I got fire in my pants! Then I showed her my flame tattoo on my hip."
"Damn you got that Crizz!"
2.
"You know that ugly workout picture from yesterday? A girl on Instagramm DMed me because of it."
"Must be your Crizz man."