He is the lost twin-step-older-younger-cousin-father-dog brother of Ronald McDonald. Their family names are different due to the 3rd marriage of their father when he took his wife's name. There are theories that their original family name isn't McDonald either and that the actual one has been lost in the ages due to the multiple wives of their father (Johnathan (family name unknown))
Person A: How've you been B?
Person B: Angus McBangus.
Person A: Te-hee Te-hee
The act of a female being aroused to the point where blood spews out their nose in a very attractive manner.
Mother - "What is that on your face? Did you have a nose bleed?"
Anonymous Lady - "Indeed I did."
Mother - "What were you doing when it happened?"
AL - "Aw, you know. Just chilling with a dog that was given away."
Mother - "Yeah, right. You probably got McBanged."