To report (a person) to someone in authority for a wrongdoing.
“I’ll dob on you if you break in.”
“You dobbed me in! — I never did!”
To do one’s share; to contribute.
“We all dobbed in for a gift when he retired.”
To nominate a person, often in their absence, for an unpleasant task.
“I arrived just after the meeting had started and found myself dobbed in to take the minutes.”
To play truant
In the scouting movement, to chant dob to indicate that one will do one’s best to follow the scouting laws.
A small amount of something, especially paste.
“Put a dob of butter on the potato, please.”
to cut off, as wool from sheep’s tails; to lop or clip off