One's male offspring.
A male adopted person in relation to his adoptive parents.
A male person who has such a close relationship with an older or otherwise more authoritative person that he can be regarded as a son of the other person.
A male person considered to have been significantly shaped by some external influence.
A male descendant.
A familiar address to a male person from an older or otherwise more authoritative person.
An informal address to a friend or person of equal authority.
To produce (i.e. bear, father, beget) a son.
To address (someone) as "son".
A young male, from 15th c. particularly
A male child: a son of any age.
A male of any age, particularly one rather younger than the speaker. from 17th c.
A male of low station, (especially as pejorative) a worthless male, a wretch; a mean and dishonest male, a knave. 14th-17th c.
A male servant, slave, assistant, or employee, from 14th c. particularly:
A male child or teenager, as distinguished from infants or adults.
A younger such worker.
A non-white male servant regardless of age, from 17th c. particularly as a form of address.
Any non-white male, regardless of age. from 19th c.
A male animal, especially, in affectionate address, a male dog. from 15th c.
A former low rank of various armed services; a holder of this rank.
Heroin. from 20th c.
Exclamation of surprise, pleasure or longing.
to use the word boy to refer to someone
to act as a boy in allusion to the former practice of boys acting women's parts on the stage