The circumference of one's asshole.
Often misspelled as "phleefasa."
Jane: "Hey, Chochface, how many oranges can you fit in your anus?"
Jon: "I don't know. I have to measure my phleefaza."
The distance between one's nipples.
"I like a nice beer, I like a nice lager.
And by the way, I got a big mudaga."