The difference between Slap and Slap bang

When used as adverbs, slap means exactly, precisely, whereas slap bang means exactly, precisely.

Slap is also noun with the meaning: a blow, especially one given with the open hand, or with something broad and flat.

Slap is also verb with the meaning: to give a slap to.

check bellow for the other definitions of Slap and Slap bang

Slap as a noun (countable):

A blow, especially one given with the open hand, or with something broad and flat.
Slap as a noun (countable):

The sound of such a blow.
Slap as a noun (slang, uncountable):

Makeup; cosmetics.

Slap as a verb (transitive):

To give a slap to.

Examples:

"She slapped him in response to the insult."
Slap as a verb (transitive):

To cause something to strike soundly.

Examples:

"He slapped the reins against the horse's back."
Slap as a verb (intransitive):

To strike soundly against something.

Examples:

"The rain slapped against the window-panes."
Slap as a verb (intransitive, slang, of songs):

To be excellent.

Examples:

"Their new single slaps."
Slap as a verb (transitive):

To place, to put carelessly.

Examples:

"We'd better slap some fresh paint on that wall."
Slap as a verb (transitive, informal, figurative):

To impose a penalty, etc. on (someone).

Examples:

"I was slapped with a parking fine."

Slap as an adverb:

Exactly, precisely

Examples:

"He tossed the file down slap in the middle of the table."