jabberwocky · noun, adjective1
From Jabberwocky, a nonsense poem written by Lewis Carroll.
Jabberwocky · proper noun2
The name of a nonsense poem from the children's book Through the Looking-Glass, and What Alice Found There (1872) by Lewis Carroll. Apparently based on the Jabberwock, the monster described therein, with the suffix -y in imitation of classical epics such as the Odyssey.
Etymology from Wiktionary, CC BY-SA 4.0.