"Heaps Sick Aye" is a phrase "Trev from Punchie" says.
He also says, "What a sick cunt"
Trev is a funny as meme on Youtube
Trev: That's heaps sick ayee.
(with the strongest aussie accent)
Camera Man: Tell us bout your mate Kev
Trev: Aw he's a fucking sick cunt aye lad