on the lamescaping or hiding from someone, especially the police
[TahlilGaran] Dictionary of Contemporary English ▲
on the lam 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. [TahlilGaran] English Idioms Dictionary ▲