A cartoon character affiliated with the show "Spongebob Squarepants". Appears in minimul episodes and is known as Squidward's arch-rival. Squillium is wealthy and loves to let Squidward know that.
Stop handing me money, your not a Squillium.
by Mr.Carrot Tuba Quesadia October 24, 2015
Get the squillium mug.
a superior unit of currency created by Sir Squack Squillium I. it is openly accepted as legal tender by MeLogz, Codlnedrem, and JXWPSDHSJ.

As of today, one squid (as it is more commonly referred to as) is roughly equal to £127,329.12 , making it the most valuable currency known to man
Ew Muvva: how are you going to afford that £1.2 million home?? You have about £80 to your name!

MeLogz: I have 10 Squillium Squid mukka

Ew Muvva: *commits aliven't*
Get the Squillium Squid mug.