TIFF, noun Liquor; or rather a small draught of liquor. [Vulgar.] 1. A pet or fit of peevishness. [I know not where this word is used in the latter sense.] TIFF, verb intransitive To be in a pet. [Low.] TIFF, verb transitive To dress. [Not in use.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI