stinky koala
Genitals infected with chlamydia. Wild koalas are known to be riddled with this disease.
"bro, how'd it go with that shawty you were sucking face with last night?"
"dude, not good, her WAP was a stinky koala"
"bro"
"dude, not good, her WAP was a stinky koala"
"bro"