Season 2, Episode 16, "Stuff."
To irritate Lily, Barney puts on a one man show. At the end of the episode, it was clearly so irritating to Lily that Marshall delivers his second slap as a part of their slap bet.
It's called 'Slap Bet'. It aired originally on November 20, 2006. You should be able to watch it on watchxonline.com (the link is on the bottom of this page)
it's from the episode called Slap Bet in Season 2
Episode 5 ' The Rhodes Not Taken'
your mother
You Slap ME
You slap them on your wrist which then makes it form into a bracelet, there for it gets the name "slap" bracelet
have you seen pokemon the first movie?
Debra
In the first episode of the spinoff from JAG to NCIS "Ice Queen"
In 3rd Naruto Shipuuden Movie
The Cleveland Loretta Quagmire
15 million per episode