Definition of squillion noun from the Oxford Advanced Learner's Dictionary

 

squillion

 noun
noun
BrE BrE//ˈskwɪljən//
 
; NAmE NAmE//ˈskwɪljən//
 
(informal, often humorous)
 
jump to other results
a very large number a squillion-dollar budget It’s cost us squillions. Word Origin 1940s: fanciful formation on the pattern of billion and trillion.
See the Oxford Advanced American Dictionary entry: squillion