To be read in rap, bitches!

Ever have to shit so bad you get the cramps?
You finally make it but you have trouble with your pants?
You bust them open and plant your ass hard.
Rectal jet blast, hopefully nothing’s scarred.

Rough ride of brown wave is finally over.
It’s easy on out, Rancho Relaxo move over.
You compose yourself, check for any damage.
Realising undies still on, that explains the streaky ravage.