Birthday Slice 

An unusually small slice, or portion, of food. In reference to the amount of slices a pizza is cut into when served at a birthday party.

I'm not too hungry, can you just get me a birthday slice?

Birthday Slice by icetubes April 3, 2010

A slice of grandma's birthday cake 

pot.

"Where can I get a slice of grandma's birthday cake?"

"I'm dying for a big fat slice of grandma's birthday cake"

Grandpappy's cough syrup = booze
Grandma's birthday cake = pot

A slice of grandma's birthday cake by jasperburger June 4, 2009