A male animal, especially, in affectionate address, a male dog.
A son of any age.
A male of any age, particularly one rather younger than the speaker.
A male servant, slave, assistant, or employee
A younger such worker.
A non-white male servant regardless of age, particularly as a form of address.
Any non-white male, regardless of age.
A male child or adolescent, as distinguished from infants or adults.
A male (tree, gene, etc).
A young male.
A former low rank of various armed services; a holder of this rank.
Heroin.
Exclamation of surprise, pleasure or longing.
To act as a boy (in allusion to the former practice of boys acting women's parts on the stage).
Leather made from the skin of a young goat.