Period ah Period uh

I dont even know what this shi mean

Me: so what we finna play on the radio
Radio:PERIOD AH PERIOD UH

period ah period uh

Period ah - something good
Period uh - something ugly/bad/gross

"Oh my gosh you just cobra kicked that dude? Period ah!"
"Oh my lordy lord you just got defeated by Miyagi-do! Period uh.."
Period ah period uh means brit barbie