When you take a dose of Ecstasy (MDMA) accompanied with shrooms. This brings an amazing feeling from the E., and even better hallucinations from the shrooms.
"What are you doing tonight?"
"I'll be shrizzin' at Ryan's house."
"Alright, I'm in."
See also:
stroking the sausage
slapping the meat petting the weasel
spanking the monkey flogging the dolphin
tickling the pickle
whacking the mole
playing the skin flute
cream-filling the donut
Excellent my good friend, please invite me to continue this smashingconversation. I enjoy your company in a completely legitamate and non-homosexual fasion.
"Son, nah how the shit be thee?"
"I be shizzling bruv."
"Man, now I got your back dog."
"Y'Shittin' me son?!"