To have sex from the back, hit it from behind, doggystyle. Doing this hard and fast so that it makes a smacking noise.
by jennw January 13, 2007
 Get the smack thatmug.
Get the smack thatmug. by k money bitch June 13, 2017
 Get the smackmug.
Get the smackmug. by Miyah19 April 23, 2017
 Get the Smackingmug.
Get the Smackingmug. by Lady Cougar November 18, 2003
 Get the smackedmug.
Get the smackedmug. Heroin.
Also known as Dragon, Dope, Heron, Herone, Hero, Hera, H, Big H, White, China White, White Nurse, White Lady, White Horse, White Girl, White Boy, White Stuff, Boy, He, Black, Black Tar, Black Pearl, Black Stuff, Black Eagle, Brown, Brown Crystal, Brown Sugar, Brown Tape, Brown Rhine, Chiba, Chiva, Chieva, Mexican Brown, Mexican Mud, Mexican Horse, Junk, Tar, Snow, Snowball, Scag, Scat, Sack, Skunk, Number 3, Number 4, Number 8, Bombita, Brea, Blanco, Bonita, Caballo, Calbo, Carga, Carne, Chapopote, Chatarra, Chicle, Cocofan, Gato, Heroina, La Buena, La Chiva, Polvo, Tecata, Tigre, Tigre Blanco, Tigre del Norte, Vidrio and Zoquete.
Also known as Dragon, Dope, Heron, Herone, Hero, Hera, H, Big H, White, China White, White Nurse, White Lady, White Horse, White Girl, White Boy, White Stuff, Boy, He, Black, Black Tar, Black Pearl, Black Stuff, Black Eagle, Brown, Brown Crystal, Brown Sugar, Brown Tape, Brown Rhine, Chiba, Chiva, Chieva, Mexican Brown, Mexican Mud, Mexican Horse, Junk, Tar, Snow, Snowball, Scag, Scat, Sack, Skunk, Number 3, Number 4, Number 8, Bombita, Brea, Blanco, Bonita, Caballo, Calbo, Carga, Carne, Chapopote, Chatarra, Chicle, Cocofan, Gato, Heroina, La Buena, La Chiva, Polvo, Tecata, Tigre, Tigre Blanco, Tigre del Norte, Vidrio and Zoquete.
by ROCKintheCDA November 7, 2010
 Get the Smackmug.
Get the Smackmug. Smack On means to propose a fight with someone. Generally in a joking manner but can definitely can be used very effectively in a real situation. Smack On is closely associated with the term "punch on".
Joking:
Luke: "You suck apples"
Brad: "Smack on cunt"
Serious:
Josh: "I fucked your ex on a trampoline!"
Ryan: "Smack on cunt!"
Luke: "You suck apples"
Brad: "Smack on cunt"
Serious:
Josh: "I fucked your ex on a trampoline!"
Ryan: "Smack on cunt!"
by KinnyMcbinspin February 4, 2014
 Get the Smack Onmug.
Get the Smack Onmug. 