Monday, June 29, 2009
Why: I just typed it.
Answer: It's for sure French, from around 1870. Maybe from houp-là! - a command (as to a child) to move, take a step; or like "upsy-daisy," also a cry to dogs, horses, etc.
Source: Dictionary.com, EtymOnline
The More You Know: Sometimes it sounds like Alvin wants a "hoopla hoop."