dob

Pronunciation: /dɑb/

The English word “dob” has 4 meanings listed here.

verb

To report a person to someone in authority for a wrongdoing. (For transitive forms see dob in, dob on.)
To play truant.
In the scouting movement, to chant dob to indicate that one will do one's best to follow the scouting laws.

Uncertain. Possibly from Middle English dobben.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.