snitch up
C1 slang separable transitive
In simple words
To tell a teacher, boss, or the police that someone has done something wrong.
Meanings
1 C1
idiomatic
slang
To report someone's illegal or wrongful actions to an authority, especially the police.
"He snitched up his own crew to get a lighter sentence."
Grammar: separable
2 C1
idiomatic
slang
To tell a figure of authority (teacher, parent, manager) about someone else's minor misbehaviour.
"I can't believe you snitched me up to the teacher over something so small."
Grammar: separable
Usage notes
Slang, particularly common in youth and street culture. Strong negative connotation — being a 'snitch' is considered a serious social offence in many communities. More common in American English. The simple verb 'snitch' is more frequent than the phrasal 'snitch up.'
Commonly used with
to the police to the boss to the teacher someone's secret a crime
Forms
Base
snitch up
I/you/we/they
3rd person
snitches up
he/she/it
Past simple
snitched up
yesterday
Past participle
snitched up
have + pp
-ing form
snitching up
continuous
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Synonyms
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