1slap 
/ˈslæp/ verb
slaps; slapped; slap·ping /ˈslæp/ verb 1 a [+ obj] : to hit (someone or something) with the front or back of your open hand
▪ She slapped him across/in the face. ▪ She slapped his face. ▪ He slapped me on the back and said “Good job!” ▪ He called the dog by slapping his hand against his thigh.
b : to hit something with a sound like the sound made when your hand slaps something [no obj] ▪ Waves were slapping against the side of the boat. [+ obj] ▪ Gentle waves slapped the side of the raft. 2 [+ obj] : to put (something) on a surface quickly or forcefully — + down or on ▪ He slapped the book down on the desk. ▪ She slapped down her cards and shouted “I win!” ▪ He slapped a fresh coat of paint on (the wall). ▪ I grabbed a slice of bread and slapped on some peanut butter. 3 [+ obj] sports : to hit (something) with a forceful swing of your arms, hands, etc.
▪ (ice hockey) He slapped the puck into the net. ▪ (baseball) She slapped a single to right field.
▪ She slapped him across/in the face. ▪ She slapped his face. ▪ He slapped me on the back and said “Good job!” ▪ He called the dog by slapping his hand against his thigh.
b : to hit something with a sound like the sound made when your hand slaps something [no obj] ▪ Waves were slapping against the side of the boat. [+ obj] ▪ Gentle waves slapped the side of the raft.
▪ (ice hockey) He slapped the puck into the net. ▪ (baseball) She slapped a single to right field.
slap around [phrasal verb]
slap (someone) around also slap around (someone) informal : to hit or slap (someone) many times
▪ The children screamed when they saw him slapping her around. [=beating her up]
▪ The children screamed when they saw him slapping her around. [=beating her up]
slap on [phrasal verb]
slap (something) on or slap on (something) informal : to add (something, such as an extra charge) to an amount
▪ The hotel slapped an extra $100 on his bill to cover the damage. ▪ The judge slapped on an additional fine. — see also 1slap 2 (above)
▪ The hotel slapped an extra $100 on his bill to cover the damage. ▪ The judge slapped on an additional fine. — see also 1slap 2 (above)
slap together [phrasal verb]
slap together (something) or slap (something) together informal : to create (something) by putting parts together in a quick or careless way
▪ I slapped a sandwich together as I was running out the door. ▪ The company slapped together a Web site and then waited for the customers to come pouring in.
▪ I slapped a sandwich together as I was running out the door. ▪ The company slapped together a Web site and then waited for the customers to come pouring in.
slap with [phrasal verb]
slap (someone) with (something) US, informal : to punish (someone) with (a fine, lawsuit, etc.)
▪ They were slapped with a lawsuit. ▪ The judge slapped the company with a fine for polluting the river.
▪ They were slapped with a lawsuit. ▪ The judge slapped the company with a fine for polluting the river.
