i don't think i've seen anyone say "houpla"
in about a year.

not quite as long as it's been since someone's said "panowie"
( Spunky McPunk pooing a poo, Mon 17 Nov 2008, 22:00, archived)

Panowie is the response to a Woo Woo :D

( SkUG HAS BOUGHT A HOUSE - WOO YEAH!, Mon 17 Nov 2008, 22:00, archived)