Entry 2 senses · 2 variants Webster, 1913 bam /(băm)/ · IPA /bæm/ n. v. t. 01 n. An imposition; a cheat; a hoax. 1. An imposition; a cheat; a hoax. “To relieve the tedium, he kept plying them with all manner of bams.” — Prof. Wilson. 02 v. t. To cheat; to wheedle. 1. To cheat; to wheedle.[Slang]