Converse of object

• get: Again Rob got the grumps, caused by us placing food on top of his car - the sea gulls soon found it.

Preposition: at

• moment: Or maybe I'm just a grump at the moment!

Adjective modifier

• old: Being an old grump not expected to be civil still give some change to beggars.

• real: Harry is being a real grump at the moment.

Modifies a noun

• fest: Join us for a live grump fest in a guaranteed World Cup free zone.

Modifying Another Word

• just: Infact, most of the time he is just grumping about a journalist or something.