The vaginal cavity of a woman... Usually a nice vagina belonging to a good looking female. Schni Schni is the upper class of clitorises and could be considered GRADE A vagina.
Mark and Rory were looking for some nice schni schni and they found some at Dawn Walker's house.
The leftover, smallest pieces of a given item. Often referring to food, in particular, the extra crispy little bits of french fries found at the bottom of the container.
Audrey's favorite food experience is eating the crispy goodness of schnibblins found at the bottom of the container of fries.