Blend of befuddle + puzzle. Compare confuzzle.
befuzzle (third-person singular simple present befuzzles, present participle befuzzling, simple past and past participle befuzzled)
- (informal) To confuse
1967, Viola E. Koch, This Young Country: A Saga of America in Transition:There is hardly a family in the land not touched by death in their families because of it as alcohol rides our highways befuzzling the minds of our nation's drivers