Gadomulum
A number so big it doesn't make sense, like when your mom says you only had one cookie but you clearly had a whole box.
My allowance is a Gadomulum. I got $10 but spent $50.
The number of times I checked my phone is a Gadomulum. It's like 100 times.
The number of chores I have is a Gadomulum. I have 10 but it feels like 100.