1) (Pg 21; Para 5) ” ‘All right, thirty seven then,’ said Dudley going red in the face. Harry who could see a Dudley tantrum coming on, began wolfing down his bacon as fast as possible…”
A violent demonstration of rage or frustration; a sudden burst of ill temper.
She would throw a tantrum as soon as anyone said no to her.
2) (Pg 22; Para 7) ” He always sp-spoils everything!’ He (Dudley) shot a nasty grin at Harry under his mother’s arm.”
1. To smile broadly, especially as an indication of pleasure, amusement, or the like.
I couldn’t stop grinning as I watched them walking towards me at the airport arrivals.
2. To draw back the lips so as to show the teeth, as a snarling dog or a person in pain.
The loud growling coupled with the nasty grin that revealed his fangs, made the dog look slightly unfriendly.
3) (Pg 22; Para 9) “…a moment later, Dudley’s best friend, Pier’s Polkiss, walked in with his mother. Piers was a scrawny boy with a face like a rat.”
Excessively thin; lean; scraggy.
His scrawny frame belied his immense strength.
4) (Pg 24; Para 6) ” They ate in the zoo restaurant and when Dudley had a tantrum because his knickerbocker glory wasn’t big enough, Uncle Vernon bought him another one…”
A knickerbocker glory is a ice cream sundae that is served in a large tall glass, particularly in the United Kingdom.