The people who stand in front of you on an escalator when you're in a rush.
Sully: Where were you man?! The show is already half over!
Nick: Sorry, bro. I got stuck behind an escawaiter.
the asshole in front of you on the escalator that refuses to walk or step aside to let you by when you're in a hurry
You: YOOOO get outta da way escawaiter!
Escawaiter: I'm just tryin' to enjoy my escalator ride you escawaiter hater!