smack up
B2 informal separable transitive
In simple words
To crash into something and damage it, or to hit someone hard.
Literal meaning: To smack (hit) something in an upward direction or to hit it so it gets damaged.
Meanings
1 B2 informal
To damage something by crashing into it or striking it hard.
"He smacked his car up on the way home after losing control on the icy road."
Grammar: separable
2 B2 informal
To strike someone repeatedly and violently.
"The gang members smacked him up badly before running away."
Grammar: separable
Usage notes
Less common than 'smash up'. More often heard in American informal speech. Can refer to vehicles, objects, or people. Usage is not fully standardized.
Commonly used with
car face wall vehicle door
Forms
Base
smack up
I/you/we/they
3rd person
smacks up
he/she/it
Past simple
smacked up
yesterday
Past participle
smacked up
have + pp
-ing form
smacking up
continuous
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