What about MEBKs (Massively Efficient Business Koalas)?

Or ESWKs (Especially Stressed Working Koalas)?

Or KANGAROOs (Koala Angrily Neglected of which Group Arenas are Robustly yet Ostensibly Obtuse)??

Those are acceptable as well.

I've got a different set of acronyms...

HAISBAT (How Am I So Bad At This)

WIBSH (Why Is Building So Hard)

TISIGO (This Is Stupid I'm Going Outside)

Hmm, those are some very good acronyms, SPIRIT

BUT YOU DIDN'T USE THE WORD 'KOALA' SO IT DOESN'T COUNT!

WIBKSH (Why Is Building Koalas So Hard)

Fixed.

TISKCDITS (This is something Koalas could do in their sleep)