adj. or adv. phr. , slang Running away, especially from the law; in flight. The bank robber was on the lam for ten months before the police caught him. Sometimes used in the phrase "take it on the lam". After a big quarrel with her father, the girl took it on the lam.
ON THE LAM
Meaning of ON THE LAM in English
American idioms English vocabulary. Английский словарь американских идиом. 2012