As sick as a parrot and Fed up

Fed up and as sick as a parrot are semantically related. In some cases you can use "Fed up" instead an adjective phrase "As sick as a parrot".

Fed up adjective - Having one's patience, interest, or pleasure exhausted.

As sick as a parrot and fed up are semantically related. You can use "As sick as a parrot" instead an adjective phrase "Fed up".