What is Snickerpuss?
1.
someone who laughs a lot at silly things
that niall, he's a right snickerpuss
2.
A vagina that expresses scornful amusement by means of facial contortions.
When I pulled my pants down, her vag turned into a snickerpuss.
See
3.
someone whos sneaky, two-faced
That snickerpuss tried to take my girl