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

: to or at an angle off the vertical

: 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