Alternative letter-case form of guido
"The new guidos at the high school are helping freshmen navigate their course selections for next semester."
a working class Italian-American male; an American male of Italian extraction as a member of the working-class and usually urban-dwelling
A guidance officer.
A male given name from Italian, equivalent to English Guy.
"After years of searching for his birth certificate, Marco finally discovered that his real father was named Guido."