Agitated; worked up.

plural of crab louse

Metacarcinus magister, a species of crab found in the Pacific Ocean that has sweet-tasting meat.

Synonym of jet ski

European spider crab

European spider crab

A species of migratory crab, Maja squinado, found in the north-east Atlantic and the Mediterranean Sea.

A species of terrestrial hermit crab, Birgus latro, that lives on the shores of the Indian Ocean and the central Pacific Ocean and feeds on fruits, nuts, seeds and coconut flesh.

(emphatic) holy crap.

In the manner of a crab; sideways. / (figuratively) Incidental.