sloppy blurpee

A famous slushy-like drink consisting of blue frozen ice with a taste remarkably similar to anti-freeze. Sold exclusively at Blurpee's.

Customer: Yeah, hi, can I get a sloppy blurpee?
Waiter: Sure, whaddya got to trade for it?
Customer: I've got a grenade.
Waiter: Best I can do is three.
Customer: Sounds good to me. What do the rest of you guys want?