
Three of the eggs are
clearly not JUMBO.
The Big Bang Theory Season 7, Episode 2

He considers them
not just mumbo JUMBO,
The Big Bang Theory Season 7, Episode 21

but extra-JUMBO
mumbo JUMBO.
The Big Bang Theory Season 7, Episode 21

Also, he'd be named Jumbo.
The Big Bang Theory Season 11, Episode 8

Evenly distributed amongst brown, white,
free-range, large, extra-large and JUMBO.
The Big Bang Theory Season 1, Episode 4