cracker

A noisy boaster; a swaggering fellow.

What cracker is this same that deafs our ears?

A dry, thin, crispy baked bread (usually salty or savoury, but sometimes sweet, as in the case of graham crackers and animal crackers).

A prawn cracker.

There was feasting and joy from Shanghai to the Wall, What with dim-sims, chop-suey and crackers and all, And the donor of these, by the hook of my crook. Was Chiang Ki-Konglong, the Mandarin Cook.

The final section of certain whips, which is made of a short, thin piece of unravelled rope, or which is a short piece of twisted string tied to the end of the whip, which produces a distinctive cracking sound when the whip is cracked.

A firecracker.