Wankwam
A small indian dwelling often located in a shared bedroom to allow self relief out of direct vision of an older sibling
"where is Mike?"
"Oh he is knocking one out in the Wankwam, he has been in there 2 minutes with his copy of smash hits so should be out any time now"
"Oh he is knocking one out in the Wankwam, he has been in there 2 minutes with his copy of smash hits so should be out any time now"