Laughing so hard that you burp and fart at the same time. Although few cases have ever been reported, it is believed to be the number one cause of Scrotal Arthritis.
"He had a cracky-tack? What the fuck is 'Scrotal Arthritis'?!?!"
by thedirtymeatball January 10, 2012

by Aphrodisiac July 15, 2016

by Anonymous March 19, 2003

by Sharon Denise May 8, 2018

I saw my math teacher again for the first time in 2 years. I remember hating her but she was a good tack.
by Jazz Maan November 22, 2017

"Then all of a sudden old spencer looked like he had something very good, something sharp as a tack, to say to me" (salinger 10)
by pbbt October 10, 2007
