And if you made a really huge igloo, it would be a bigloo
If it's made out of pork, it should be a pigloo.
Then it should be called a crackgloo if it's made out of white ice.
If you made a tiger-striped igloo, it would've been a tigloo
If you made a fruit flavored igloo, you should call it a figloo.
if it was an igloo made out of cigarettes, it would be a cigloo