i) A kinsman of Mercutio and Paris and the Prince of Verona in Shakespeare's Romeo and Juliet.
ii) A legendary enforcer in the persistent world of Anarachy Online.
i) I pledge myself to you, Prince Escalus.
ii) Shit, Big Papa Escalus just melted my face in FT with a phatty Slice & Dice.
A person who has, despite their adulthood, not yet mastered the art of getting on or getting off an escalator without pausing to 'time' their mount or dismount
I was walking along behind this dude going up the escalator, when he stops suddenly at the top and I crashed into the back of him. What an escaloser!