It means when something is a tense moment, your ass tightens up. So a 'close call' is called 'puckering your asshole'
"This project is really a sphincter clencher. I don't know if we're going to make it on time."
© 1999-2015 Urban Dictionary ®
Free Daily Email
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from email@example.com. We'll never spam you.