Sniggy is a nickname often used for girls with the Indian name Snigdha, which unlike the original meaning of the name,(Calm, Graceful), implies that the person is energetic and joyful.
Girls named Sniggy tend to be energetic, firey and argumentative.
A Sniggy Pig is one who means a lot to another. It is almost exclusively used in an affectionate context but can be incorporated into everyday language also. Similar to other terms of affection, it is assumed one will only have one 'Sniggy Pig' at a time.
a small portion of something, usually an illegal or controlled substance. may also be applied to food.
(note, this term does not imply mooching, but rather generosity by the giving party)
-"Yo Robb! wanna let me get a sniggy-snag?"
-"aight, make sure there ain't no Po-Po around first, though"