the elaborate, costume-like preprations undergone when a group of girls gets dressed and puts on outrageous levels of makeup and perfumed body mist for a party.
"I can't take a shower, it's Shalloween in our dorm bathroom right now."
The Celebration Of A Holiday Rendered Meaningless With The Sale & Distribution Of Confections
Hotz: "Wazzup, Wut You Foolz Doin' For Shalloween?"
Elmo: "Nuttin' We Jus' Gon' Chill And Batch Up Instead"