When a nipple (more often than not, the nipple of a woman) slips out of an article of clothing, partially or fully, and is noticed by someone else.
by anne on a mauz June 11, 2006

"Yo son... Did you see Mitzi whip slip last night... girl almost had a skull tap with the asphalt....."
by DMobster December 24, 2007

by Large boob May 21, 2020

Alex was out with Tommy and the gang. Tommy and the gang were having a great time with Alex. He went to order a drink and when he returned Alex had vanished. He had done the Irish slip.
by AFLIX DAFFLIX June 5, 2018

by Jeff booty April 20, 2018

Jessica: FUCK ME HARDER BRAD, DON'T STOP!
Brad: *pop*
Jessica: WHAT DID I JUST SAY!
Brad: IT AINT MY FAULT BITCH! IT WAS THE SLIP OF THE DICK!
Jessica: WHAT THE FUCK ARE YOU TALKING ABOUT
Brad: SHUT THE FUCK UP
Jessica: AAAAAAHHHHHHHHHHHHHH
Brad: AAAAAAHHHHHHHHHHHHHH
Brad: *pop*
Jessica: WHAT DID I JUST SAY!
Brad: IT AINT MY FAULT BITCH! IT WAS THE SLIP OF THE DICK!
Jessica: WHAT THE FUCK ARE YOU TALKING ABOUT
Brad: SHUT THE FUCK UP
Jessica: AAAAAAHHHHHHHHHHHHHH
Brad: AAAAAAHHHHHHHHHHHHHH
by I'mheretofuckyourbitch September 23, 2016

After class one night two frisky law students walked to the park and he started knuckle slipping her.
by CrackerJax78 April 1, 2010
