callboy

noun
RareNot in standard dictionaries
1

A male prostitute.

2

A bellhop.

3

A boy or man who summons actors when their presence is required for a performance.

4

A public transport barker (a man who, for a fee, calls out the destination of jeepneys and buses)

5

A man who works as a call center agent. (see usage notes)

6

A youth employed to wake people up for work.

#dated#slang