It has taken just eight days of AFL trade period for the Trade Radio studios to be almost completely full up with excrement.

Witnesses say the St Kilda Road studios have been emitting a "pungent" odour for a matter of days, with the timeline closely related to claims Mason Cox was headed to Essendon.

"Sam McClure's daily show hasn't helped at all either" said the anonymous man.

A source close to broadcaster believes one more hour of painful hypotheticals with callers could leave the current on-air duo to suffocate in verbal diarrhoea.

The site has been declared a bio hazard and people are urged to avoid the area.

We'll bring you more as this story develops.