Define So Small Meaning

So Small
a reference in South Park (Chimpokoman), refering to penis size.Also the phrase "so small" must be acted out with showing how small with ones hand.

my friend Aaron is so small.
By Genvieve
SO SMALL AS HELL

Whoa look at this.
Damn, thats SO SMALL AS HELL
I KNOW RIGHT
AAAAA
AAAAA
(both) AAAAA
By Mariam