1 definition by PureInsanityLoop
1. The name given to either a random thingamabob or do-what that is so completely useless to the average civilian that it is not worthy of a intelligent response.
2. Plumbob can also be used as an insult aimed at someone guilty of committing a totally embarrassing action.
2. Plumbob can also be used as an insult aimed at someone guilty of committing a totally embarrassing action.
by PureInsanityLoop February 20, 2011