The definition of gink is a slang term for a boy or a man that might seem odd or foolish.(noun)
An example of a gink is how you might describe a man with unusual mannerisms or style.
See gink in Webster's New World College Dictionary
Origin: < ? dial. gink, a trick (> Scot ginkie, term of reproach applied to a woman)
See gink in American Heritage Dictionary 4
Origin: Origin unknown.