bird-dog

verb (used with object), bird-dogged, bird-dog·ging. Informal.

1. to follow, watch carefully, or investigate.
2. to seek out.

verb (used without object), bird-dogged, bird-dog·ging.

3. Informal. to follow or watch carefully.
4. Slang. to steal or attempt to steal another person’s date.

noun

1. one of any of various breeds of dogs trained to hunt or retrieve birds.
2. Informal. a person hired to locate special items or people, especially a talent scout who seeks out promising athletes.
3. Slang. a person who steals another person’s date.

noun

1. hunting a dog used or trained to retrieve game birds after they are shot

verb bird-dog -dogs, -dogging or -dogged

2. informal to control closely with unceasing vigilance