a slap on the back

:  opening, breach

:  to strike sharply with or as if with the open hand

:  to cause to strike with a motion or sound like that of a blow with the open hand

:  to put, place, or throw with careless haste or force

:  a quick sharp blow

:  a blow with the open hand

:  a noise like that of a slap

:  directly, smack

:  the rear part of the human body especially from the neck to the end of the spine

:  the body considered as the wearer of clothes

:  capacity for labor, effort, or endurance

:  to, toward, or at the rear

:  in or into the past :  backward in time

:  ago

:  being at or in the back

:  distant from a central or main area

:  articulated at or toward the back of the oral passage :  formed deep within the mouth

:  to support by material or moral assistance

:  substantiate

:  to assume financial responsibility for