lam

To beat or thrash.

1930, Langston Hughes and Zora Neale Hurston, Mule Bone, Act II, Scene 2, in The Collected Works of Langston Hughes, Volume 5: The Plays to 1942: Mulatto to The Sun Do Move, edited by Leslie Catherine Sanders, Columbia: University of Missouri Press, 2002, p. 102, An' fo' I knowed it, he done picked up that bone an' lammed me ovah de head wid it.

They lammed each other on the head with great, clumsy stone hammers; but their skulls were so hard that the hammers bounced off again […]

To flee or run away.

[Gangster running away:] Batman and Robin! Let's lam!

[…]and she was so mad and so down deep vindictive that she reported to the police some false trumped-up hysterical crazy charge, and Dean had to lam from Hoboken.

A flight or escape.

on the lam

The twenty-third letter of the Arabic alphabet, ل (l). It is preceded by ك (k) and followed by م (m).