To over-estimate how many condiments such as salt, pepper, hot sauce or ketchup packets you needed to bring back with you to your table while dining at a fast food restaurant.

When grabbing way too many self-serve condiments, you become a mix of the words "condiment" and "mental".

When a diner overestimates the amount of condiment he requires, thus causing a large excess to be left on the plate after the meal has been consumed in its entirety.