TIB

DEFINITIONS CONTINUED
NOUNS
4. a goose (obsolete slang)
5. the ear; the tip or lobe of the ear (dialect)
6. the fundament; the anus (dialect)
7. the head (American)
8. weak beer (dialect)
VERBS
to slip out; to escape unobserved from school or house (school slang)

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ETYMOLOGY
Perhaps the same as Tib, a shortened hypocoristic form of the female name Isabel; now rather rude or slighting (except playfully); also with dim. -y or -ie, Tibbie, a common female name in the north.

EXAMPLE
(for definition 1)
From: Cheshire Gleanings
By William E.A. Axon, 1884
William Hornby's Scourge of Drunkenness