Meatus Mummy (Mommy for yanks) is a prison term, descriptive of somebody who can shove a narrow object, such as a AAA battery, into their urethra, then "give birth" to it.
by Count Fistula May 2, 2005
 Get the Meatus Mummymug.
Get the Meatus Mummymug.  Get the Meatus Mummymug.
Get the Meatus Mummymug.