The action taken to punish a person for a silly or stupid mistake, often in a playful manner. The name derives from asking the unaware victim to place his or her thumbs on the outer corners of the eyes and stretching the eyes to simulate an Asian appearance. Then the slap can be adminstered without a flinch diverting the blow.

An open handed slap to the face. Reasons: stupidity, retribution or to rebuke a whiner. A callous and contemptous blow in order to restore sanity in their own little world.

A strong slap given out of annoyance or meanness which leaves the recipient slightly dazed and confused.

From the Malay phrase "penampar Jepun" to describe harsh treatment by Japanese soldiers during the Malaysian occupation of WWII.

A quick, compact baseball swing popularized by Japanese big leaguers such as Ichiro Suzuki, So Taguchi, Akinori Iwamura, amongst others.

Most effective with a left handed batting style, the jap-slap has become popular with Hispanic and American Major Leaguers such as Juan Pierre and Brett Gardner.

In the act of assault or other harmful activities you slap a japanese person while they are running at you.

Jap-slap can also be used just by saying 'Jap-slap' while slapping somone around the face.

definition 1: When you slap someone with your penis, normally around the face.

Definition 2: To be slapped on the end of the penis.

When backhand some bitch for pissing you off and the knuckle marks and laugh at them when they are on the ground crying like a little child