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

by Jeff booty April 20, 2018

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

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
