Farmers Slang & Its Analogues. 18901909, rev. 2022.
Lag-fever
subs. (old).See quot.
1
1811. GROSE and CLARKE, Lexicon Balatronicum, s.v. LAG FEVER. A term of ridicule applied to men who being under sentence of transportation, pretend illness, to avoid being sent from gaol to the hulks.