Little burgers are called sliders.
montaditos
sammies
You are probably referring to tupperware.
Gastronomic assembler =)
Call of duty and eat sandwiches.
Baseboards.
a McNeilapon
A mime
This depends if it is a true moss, a plant we call 'moss', or decorative moss.
Not a very funny answer, but I'd call that a sandwich toothpick.
I would call (not cal) an 8 faced shape (not shap) an octahedron.
hypocrits or sanctimonious
Poker-faced.