Someone who is without a sandwich may be refered to as sandwichless. Someone who is a streak of piss or a streak of misery may also be sandwichless.
I would like to offer that sandwichless person a sandwich.
or
Ha ha, that person does not have a sandwich and therefore they are sandwichless
noun /ˈsænd.wɪtʃ.ləs.nəs/
1. The tragic, gut-wrenching state of being without a sandwich.
2. A temporary yet existential crisis triggered by the absence of bread-meat-bread architecture in one's immediate vicinity. Side effects may include: pacing, fridge staring, and unjustified anger toward salad.
3. (philosophical) A spiritual void; the opposite of lunch fulfillment. Often used by monks of the Order of the Empty Plate.
1. "He opened the fridge, saw only pickles and regret, and sank into a deep sandwichlessness."