(music) A bass guitar technique of hitting a string hard with the side of the thumb knuckle, producing a loud but brief snapping sound. Slapping is usually combined with popping, the act of pulling a string outward with the finger tip and letting it snap back. Invented by Larry Graham (Sly and the Family Stone, Graham Central Station).

Slap & pop bass sounds are very characteristic of disco and funk music, though around 1990 it got very popular again when bands like Red Hot Chilli Peppers, Primus, Infectious Grooves, and Faith No More hit the hard rock radio stations and Mtv.
Jazz players on upright bass (aka double bass) have a technique called "slapping", but it's a completely different technique that involves literally slapping the strings.
by Bill M. August 27, 2004
Surprisingly Large Asian Penis
Sarah told her girlfriends she had finally met "the one". He was rich and handsome but best of all he had a SLAP.
by Dick Talens May 23, 2014
acronym meaning "sounds like a plan", i.e. when making plans with friends and coming to an agreeable conclusion.
Friend 1 "let's meet up at my place and head to the party from there, cool?"
Friends 2 "ok, s.l.a.p.! see you there"
by ElPGnarly March 08, 2009
Acronym: Sounds Like A Plan
Jack: Hey Jill do you want to go up that hill to fetch a pale of water?

Jill: SLAP!
by r3dr0ck3t August 12, 2011
Slap or SLAP is an acronym for sounds like a plan. This is a way of expressing one's desire and confirmation to doing something. This acronym is incredibly useful as it can also be expressed simply by slaping someone five!
Maeve: Hey Daniel can you please keep me amused with your bad but hilarious jokes for the rest of my life?
Daniel: SLAP!
by dawesomedaniel April 05, 2011
An expression of excitement when the hand is not available. A High-five to the face.

"I did not slap you, I simply high-fived your face"
by Auja11 January 16, 2009
stands for Sounds Like A Plan.
Person 1: "let's go to the park."

Person 2: "SLAP"
by Playlist February 02, 2012
Sumthin Like A Pimp. Originated by tha 730's.
I chuck it to a bitch. S.L.A.P.
by UselessHarry October 17, 2005

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