processed cheese

process (A series of events to produce a result.) / process (A task or program that is or was executing.)

a sandwich (snack consisting of two slices of bread)

to use / to employ / to make use of, to apply / to spend

cheese (dairy product)

cheese (said while being photographed)

(chiefly women's speech) first person singular pronoun: I, me

club sandwich

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness