What's the difference between i.e. and e.g.?
"flight," as in on the lam, 1897, from a U.S. slang verb meaning "to run off" (1886), of uncertain origin, perhaps somehow from the first element of lambaste, which was used in British student slang for "beat" since 1590s; if so, it would give the word the same etymological sense as the slang expression beat it.
In hiding from the police; wanted as a fugitive: So I went on the lamRelated Terms
[first form 1931+, second 1887+; the form on a lam is found by 1904]