Ablast

3 clues
So much fun
Green Day "Having ___
Have ___ (whoop it up)
Similar answers:
Abatable
Abdicable
Abiesirishroast
Abl
Ablactate
Ablare
Ablast
Ablastingindisguise
Ablate
Ablated
Ablates
Ablation
Ablative
Ablaut
Ablauts
Ablaze
Able
Ablebaker
Ablebodied
Abled