1.) A handsome, strapping man with swagger. 2.) An un-licensed cab driver. 3.) A foreman. 4.) Irish. A man of questionable and eccentric habits. Like that of a rake. 5.) Irish. A young boy or lad. 6.) Canadian. Derog. "A buck" is also a highly offensive racial slur for a native male.
1.) A passive gay man. He's the pillow biter in the relationship 2.) That dude who sneaks into a seedy motel with his prostitute in tow. A regular John. 3.) 60s. An older man who showers affection and gifts for his much younger male partner or lover. 4.) 60s. A sugar daddy or generous benefactor.