dob

fe’l verb

1. To report (a person) to someone in authority for a wrongdoing. I’ll dob on you if you break in.
2. To do one's share; to contribute. We all dobbed in for a gift when he retired.
3. 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.
4. To play truant

ot noun

1. A small amount of something, especially paste. Put a dob of butter on the potato, please.
2. The date and year something or someone was born.