go daffy

Once let me get a fair crack at him with this stick, and he’ll go daffy, I warrant you.

Your wife's all right," then in a lower tone to himself, "That fellow'll go daffy over his little wife, as he calls her, if he isn't careful.

Did I go daffy when that blizzard carried Choko over the ledge—and what did I do up on Grizzly when the snow and ice covered the trail?

"I've got to say something, or I'll go daffy," cried Farley, rubbing his eyes.

When they see the Yellow Taffy, Reg'lar Princes don't go daffy.