dippy

Alison, meanwhile, had gone to a yoga retreat with her hippy-dippy mother.

He always did seem a trifle cracked, and to-night he's certainly dippy.

"The guy's dippy all right, cull," remarked the nearest sleuth to Jarvis, who nodded most seriously.

He had sharp eyes, had old Mr. Loon, just as Dippy has today, and he used them to good account.