2) Alternatively used for some one who "falls dead" in bed and cannot continue to be entertaining sexually.
2) He's a possum, he just lays there in bed and doesn't do any of the work.
"I have to make a possum!"
"I'll need to use some more possum paper (toilet paper)."
When talking about flatulence; pppfffrrt "Possum!!!"
Also when talking about flatulence; "Did you smell Chelsea's Possum?!"
When thinking about taking a dump;
"Hey Darryl do you wanna go possum hunting?"
"Sorry I forgot my possum license."
If someone possums you can use possum spray (air freshener)