Bet one’s bottom dollar

What is Bet one’s bottom dollar?

Bet one’s bottom dollar definition and meaning on Dictionary terms:
the lowest or deepest part of anything, as distinguished from the top: the bottom of a hill; the bottom of a page.
the under or lower side; underside: the bottom of a typewriter.

the ground under any body of water: the bottom of the sea.
Usually bottoms. Also called bottom land. Physical Geography. low alluvial land next to a river.
Nautical. the part of a hull between the bilges, including the keel.the part of a hull that is immersed at all times.the cargo space in a vessel.a cargo vessel.

the seat of a chair.
Informal. the buttocks; rump.
the fundamental part; basic aspect.
bottoms, (used with a plural verb) the bottom part of a two-piece article of clothing, as a bathing suit or the trousers of a pair of pajamas.
the working part of a plow, comprising the plowshare, landside, and moldboard.
the cause; origin; basis: Try getting to the bottom of the problem.
Baseball. the second half of an inning.the last three players in the batting order.

lowest limit, especially of dignity, status, or rank: When people sink that low, they’re bound to reach the bottom soon.
Slang. the submissive partner in a sexual relationship or encounter, especially the person who is penetrated in anal intercourse (opposed to top).
Usually bottoms. Chemistry. the heaviest, least volatile fraction of petroleum, left behind in distillation after more volatile fractions are driven off.

verb (used with object)
to furnish with a bottom.
to base or found (usually followed by on or upon).

to discover the full meaning of (something); fathom.
to bring (a submarine) to rest on the ocean floor: They had to bottom the sub until the enemy cruisers had passed by.

verb (used without object)
to be based; rest.
to strike against the bottom or end; reach the bottom.

(of an automotive vehicle) to sink vertically, as when bouncing after passing over a bump, so that the suspension reaches the lower limit of its motion: The car bottomed too easily on the bumpy road.