How about "wombat"?
"Wombat" is generally a fun thing to say.

Say it out loud. Shout it. Shout it out loud.
( A Vagabond , proving all the poets wrong, Thu 2 Jul 2009, 12:33, archived)

Say it once, say it loud
I'm a wombat and I'm proud
( Joe Scaramanga Reclaiming his face, Thu 2 Jul 2009, 12:41, archived)

Solidarity

(Essence of Wombat Now with 25% less dog!, Mon 6 Jul 2009, 11:34, archived)

And essential
in a game of "Wom"
( Stilton Cheesewright, Thu 2 Jul 2009, 13:00, archived)

Xylophone Buggery

(Inigo Montoya Has returned, Mon 6 Jul 2009, 10:16, archived)