the act of putting feces and/or farting in your hand and smacking an individual in the face therefor making the person smell the ominous gases perfuming from your hand also leaving ones self to be smelling like shit for the rest of the day
by punjabi--allahpraiser March 13, 2011

by She2red February 22, 2005

The act of masturbating, much like beating the meat, spanking the monkey, choking the chicken, etc. Made famous by Nostalgia Critic, a popular film reviewer
Nostalgia Critic: "as Peewee Herman Hey kids, crack is wack, but wax the smack. So whack off everyday!!"
by Quitopher June 5, 2017

by Barrie Charles June 29, 2011

by SinglePringle047 June 22, 2017

The pack of ten hypodermic needles sold at pharmacies to people without a prescription. Intended for use by diabetics without a prescription in an emergency, but more often used by heroin ("smack") junkies and vagrants.
ex. 1— Hey, Alex just scored a balloon, lets grab a smack pack and chase the dragon.
ex. 2— Billy and I are going to lunch but he forgot his insulin syringes at home so we need to grab a smack pack from Duane Reade
ex. 2— Billy and I are going to lunch but he forgot his insulin syringes at home so we need to grab a smack pack from Duane Reade
by xreal February 6, 2015

by Sunsmackerr October 4, 2010
