Irish slang. Someone of ill repute, a criminal or person with no respect for law and order.
That gouger Byrne attacked a man outside the pub.
To be the coolest person or "life of the party" in a group, small gathering or party atmosphere around people that know him or her. This person is usually very funny, and are swooned by the opposite sex.
Cooper was definitly the gouger of the party. As soon as he arrived all the girls stepped over and quickly wanted to hear want funny stuff he had to say.