1. A disciplinary measure for children whereby the child is striken on the bottocks, either bared or clothed, with either the hand or an implement such as a wooden spoon.
2. A fetish were but consenting adults strike each other on the butt to induce sexual pleasure.

To hit one's buttocks for sexual pleasure; usually goes along with the fetish of one of the partners.

Verb
1. To slap on the buttocks with a flat object or with the open hand, as for punishment.

2.Adults smack eachothers buttocks w/ flat object such as a belt for sexual pleasure.

What is feared as a kid, and usually desired by an adult.

1. masturbate
2. hit across buttocks as a disciplinary measure
3. to defeat soundly

To beat someone up. This word is said only for a beating that was given barehanded. Does not apply if you used a weapon or even worse, a gun. NYC slang

A slightly more classy word for having a wank. Due to its dual connotation can often be misinterpreted for laying down a smack.