When used with a "z" at the end instead of an "s" (see deets) it undoubtedly makes you more scene, street, or what have you.
Alec: Yeah i won a competition one time when i lived back in Alaska.
Anthony (to Alec): You're a Deetz.
2. Ramsey: I had a threesome last night with those two girls.
Ian: I had sex with both of those girls before, and i've already been in three threesomes.
(Ian walks away)
Anthony (to Ramsey): He's a fuckin' deetz!