A name abbreviation used for former child actor, Macaulay Culkin.
1. Wait a minute... You're not a real pizza boy! You're... Ma-Ma-Maculkin!
2. Yeah, I mean, the other three Home Alone movies after Lost In New York didn't feature Maculkin in any of them, probably because he grew out of his Kevin McCallister role.
3. Oh, my god! It's the, Maculkin, from the Home Alone movies!