n. /loh"down'/ ; adj. /loh"down"/ , Informal.
n.
1. the real and unadorned facts; the true, secret, or inside information (usually prec. by the ): We gave them the lowdown on the new housing project.
adj.
2. contemptible; base; mean: a lowdown trick.
3. low, esp. socially or morally; degraded.
[ 1540-50; LOW 1 + DOWN 1 ]