History: Believed to be a Gallagher-ism (American comic of 1980s & 1990s known mostly for pulverizing melons w/a huge slegehammer in his shows).
Definition: Those wisp-thin, slightly waxy paper toilet seat covers offered in public toilets to protect one's bodunkadunk from coming in contact with someone else's funk.
When using the toilet at the Port Authority Bus Terminal, always put an ass gasket down before you cop a squat.
Definition: An odd collection of medications (over the counter and/or prescription), vitamins, supplements and other assorted capsules or tablets, usually in a medicine cabinet or in one's desk drawer at work.
"Holy Hannah! Look at Susie's pharmacopia! She's got all the fixin's for a crystal meth lab!"