Whack the slack 

The act of slapping your penis on a hard object in order to achieve or sustain an erection, most often followed by masturbation.

Samson: "john, i know you were wanking in there but damn that took a while brah"
John: "well it is common knowledge that you must whack the slack before you can beat the meat"

Whack the slack by NathanReed May 15, 2013

Sack Whack on the Back Crack 

The act of thrusting the man junk so far into a woman's (or man's if you are homosexual) anus multiple times that the balls consistently slap against the "host's" butt cheeks making a sound like a great high five.

KirtKanReed: "i am soo hungover bro, i can't remember anything about last night."

ChadKant: "you wouldn't want to."

Zenovia's Playa: " YEAH! BECAUSE CHAD GAVE YOU THE sack whack on the back crack WHILE YOU WERE SHIT FACED DRUNK LAST NIGHT AND PASSED OUT ON THE COUCH!"

Sack Whack on the Back Crack by Zenovia's Playa June 14, 2009

What the frick frack diddily dack patty wack snick snack crack pack slack mack quarterback crackerjack biofeedback backtrack thumbtack sidetrack tic-tac is this shit 

The ultimate expression of "What the fuck", this word is to be used only in the most extreme of situations. Brutal overuse of this term could lead to a tear in the fabric of the universe, causing reality to fall apart at an abstraction rate of 7.59 Cuils per second. Please be very careful with the word you have just read. The power of the cosmos rests in your hands.

John Watson: Holmes, I do believe this was not a murder, but in fact a suicide.
Sherlock Holmes: What the frick frack diddily dack patty wack snick snack crack pack slack mack quarterback crackerjack biofeedback backtrack thumbtack sidetrack tic-tac is this shit
Universe: *collapses*
Watson: dammit Holmes

What the frick frack diddily dack patty wack snick snack crack pack slack mack quarterback crackerjack biofeedback backtrack thumbtack sidetrack tic-tac is this shit by Fetchez la vache March 28, 2015

What the frick frack diddily dack patty wack snick snack crack pack slack mack quarterback crackerjack biofeedback backtrack thumbtack sidetrack tic-tac is this shit 

What modern mumble rappers say when they can't think of words that rhyme for their song. Also what 5 year old kids say randomly when they get mad.

takashi 6ix9ine: "Diddly dacky, smacky whacky"

Lil pump: "frack in a mack back whack slack sniddly tack"

Mother: "Sorry johnny, no minecraft for today"

Johnny: "What the frick frack diddily dack patty wack snick snack crack pack slack mack quarterback crackerjack biofeedback backtrack thumbtack sidetrack tic-tac is this shit"

What the frick frack diddily dack patty wack snick snack crack pack slack mack quarterback crackerjack biofeedback backtrack thumbtack sidetrack tic-tac is this shit by VYDEOS September 26, 2021

What the frick frack diddily dack patty wack snick snack crack pack slack mack quarterback crackerjack biofeedback backtrack thumbtack sidetrack tic-tac is this shit 

the best way to impress your parents then get in trouble

Me:"Dad I'm home"
My dad:"I got a phone-call from you teacher today"
*Me thinking I'm in trouble*"What the frick frack diddily dack patty wack snick snack crack pack slack mack quarterback crackerjack biofeedback backtrack thumbtack sidetrack tic-tac is this shit!"
My dad:"...wheres mah belt"

What the frick frack diddily dack patty wack snick snack crack pack slack mack quarterback crackerjack biofeedback backtrack thumbtack sidetrack tic-tac is this shit by Le random Persona October 13, 2021

Wack the Sack

Its a game involving a wooden paddle or your hand and someones testicles. The object of the game is to see how hard you can wack someones balls until they turn red each time you wack the sack you get points. This game originated from the website ebaumsworld.

1.Today me and my brother played wack the sack. !!!!Now My balls really hurt!!!!
2. I really love playing wack the sack with my boyfriend.

Wack the Sack by Wack the sack. October 18, 2008