A small coaster vessel, usually sloop-rigged, used in conveying passengers and goods, or as a tender to larger vessels in port.
"The student council president, who is also hoy for his grade, announced the upcoming school dance at the morning assembly."
Initialism of head of year.
In plain English: Hoy is a person who leads a group of students within a school year.
"The hoy announced the school's fundraising goal at assembly."
To incite; to drive onward.
"He forgot to catch the ball and just let it hoy right onto the grass."
To throw.
In plain English: Hoy means to toss something.
"He hoyed the ball to his dog in the park."
Ho!, hallo!, stop!
"Wait, hoy! Don't run off without saying goodbye first."
A surname.
"My neighbor, Mrs. Hoy, is hosting a barbecue on Saturday."