Leg slapper

Like a knee slapper, but when you're mad the joke isn't funny.

Burt: Why did the chicken cross the road?
Haley: IDK WhY?
Burt: To get to the other side.
Haley: (Screams and slaps leg really hard) That's a leg slapper!

by MultiAwesomeGirl123 April 24, 2010

porn slapper

People on the Las Vegas Strip who hand out escort/stripper cards featuring scantily clad women. They attract attention by slapping the cards together.

If you're lucky a porn slapper might sell you their "Girls Direct to You" t-shirt.

by darkswitch July 28, 2010

two slapper

term used by investigators to describe a suspect/target who requires one slap to start him talking and a second slap to shut him up...

The cops knew their prayers were answered when they realized Carl was a two slapper...

by sheila in the car May 19, 2009

knee slapper

Sarcastically used to point out an unfunny joke. It originates from the act of slapping one's knee during vigorous laughter. Later took on a sarcastic meaning.

Comedian: I just flew in from Los Angeles, and boy are my arms tired!

Audience member in sarcastic tone: wow that's a real knee-slapper

by Joe February 12, 2003

ball slapper

When you're having sex doggy style with a girl and your balls slap up against her lower belly.

"It was a ball slapper of a good time!"

by luckylewk July 30, 2004

oyster slapper

A lesbian.

She's not into guys; she's an oyster slapper.

by The Atomic One April 17, 2011

slapper stand

A semi-affectionate term for night club podiums which the drunkest/most extrovert members of your party will want to dance on.

"Give us a leg up onto the slapper stand, they're playing 'Club Tropicana'!"

by rmg September 29, 2003