Duh. See also Redundant.
When your mouth is too crammed of ice cream to pronounce the whole word ice cream.
Dude. Do us a solid. Add your own funny food.
Someone was either late this morning or is learning to eat big people food. See also Breakfast.
Vernacular for "biscuit", which, in England, usually refers to a scone or cake to eat with tea. Asking for a bikkie and expecting a flaky bun would be committing treason. See also British.