the way real people say "do you know what I am saying?", but it comes out faster and uses fewer syllables
Me: Yo, man. I can't believe his ass did you like that!
Elliot: Ya. It's totally fucked up nyamsayin.
When you've been up all day and night taking care of patients and your taint stanks.
Bri: Yo man, what the fuck's that smell?!
Me: Sorry, bruh. I've been up all night taking care of patients. Got some mad post-call perineum (PCP).