A four-year-old boy was "covered in bruises" and vomiting "green slime" before he died on the Gold Coast more than seven years ago, a court was told.
Tyrell Cobb was found unconscious at a Biggera Waters home on May 24, 2009 and was later pronounced dead in hospital.
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Mum, stepfather charged with Tyrell's murder
Police charge the mother and stepfather of Tyrell Cobb with the Gold Coast four-year-old's murder in 2009. Nine News: August 13, 2015
His mother Heidi Strbak, 33, and her ex-partner Matthew Scown, 33, appeared at Brisbane Magistrates Court on Wednesday for a committal hearing charged with murder.
Tyrell's uncle Danial Allan said he was "just not well" and "covered in bruises" on his head and arms the day before he died.
He had also been to hospital with an injured arm two days earlier, the court heard.
Tyrell was "sluggish" and "throwing up green slime" on the day he died.
He allegedly told Mr Allan "Matthew had punched him in the stomach" and showed him a bruise above his genitals.
Mr Allan claimed Strbak, his stepsister, was "stoned as a parrot all the time" and should be jailed for not noticing his injuries. He added: "Someone should be locked up for it, if not one then both of them."
"Kids just don't die and throw up green s--- every day of the week do they?
"Someone's got to go to jail. How does a mother not notice 76 bruises?
How did she not see when bathing him - what kind of a mother is that?
"Stoned as a parrot all the time - that's why."
When he asked Strbak about the bruises she said they "happened at kindy".
Neighbours who lived near the family in Runaway Bay said they heard her "screaming and yelling" at her son.
One witness said he heard her shouting the name Ty and "bad swear words".
Mr Allan previously told his ex-girlfriend Nicole Brown that Scown had murdered Tyrell.
AAP