The slice or slices of pizza that's left over after it's been equally divided out.
Can be a awkful nucence if not called. To call the awkward slice simply shout 'awkward slice' before anyone else. As there can be a second or third awkward slice these should be called too, asap.
Fatso 1: Call the awkward slice
Fatso 2: You call what?
Fatso 1: The last slice thats noones.