from The Century Dictionary.
- noun One who has a tickle or unsteady brain, as one intoxicated.
Sorry, no etymologies found.
"Were it not a quaint conceit, a merry tickle-brain of Fate," he asked of the leaping flames, after a still longer pause, "that this mountain of malmsey were once a delicate stripling with apple cheeks and a clean breath, smelling of civet, and as mad for love, I warrant you, as any
The Line of Love Dizain des Mariages James Branch Cabell 1918