Very simple--umpires wear blue uniforms.
a blue berry bush
no blue belly lizards do not eat human food
Cuz it wants to be original blad
'Blue filming' is apparently a 'street term' for spotting in-process filmmaking in local areas. The term could come from the notion that 'blue' is slightly illegal or shady.
Belly-timber is an archaic term for food.
blue whale
no
no blue belly lizards do not have teeth. they bite and they are not poisonous.
Stomach
Navel.
no