An artisticly perfect pussy
in which the labia majoris conceals the tissues of the labia minoris and the clitoris, holding it all in beneath the slit.
"My girlfriend, has a nice tight innie, its so beautiful!"
a belly button that sinks into the tummy...as opposed to one that pokes out like a knot.
a navel that recedes and does not protrude
An innie seems to be more common that outie.
an outie that is swallowed by fat
"That guy is so fat, his innie is barely even visible."
a penis so small that it acually retracts into the body
Donald has an innie
a penis so small that when it is in flacid state, it can not be seen by the naked eye
(similar to the innie and outie of belly-buttons)
guy 1: I hate my small dick, man
guy 2: how small?
guy 1: 3 inches
guy 2: Thats nothing! When I get out of the pool, mine's an innie!
introvert or reflective person (variously used online); antonym = outie
he is such an innie he'd probably rather read than go out tonight