About "Have ANIceDay"

Have: verb transitive (3rd person singular) 4a undergo;experience.
A: adjective (before a consonant) called the indefinite article. 1 (as an unemphatic substitute) one; some; any.
Nice: adjective 1 pleasant; satisfactory.
Day: noun 1 the time between sunrise and sunset; 2 a period of 24 hourz as a unit of time.
OR (taken another way)
Have: verb transitive (3rd person singular) 4a undergo;experience.
An: adjective (before a vowel) called the indefinite article. 1 (as an unemphatic substitute) one; some; any.
Ice: adjective 1 frozen water, a brittle transparent crystalline solid.
(The main substance of a Gruntziclez graphicz set.)
Day: noun 1 the time between sunrise and sunset; 2 a period of 24 hourz as a unit of time.