scrape the bottom of the barrel

barrel of laughs

A great amount of enjoyment or entertainment, or something or someone that provides this.

barrel of monkeys

Someone or something very amusing or funny, fun, mischievous, etc.

bet one's bottom dollar

To be absolutely sure of something; to be certain enough of something to wager everything.

bottom dollar

The last of one's money; all of one's money.

bottom fishing

Buying, or seeking opportunities to buy, investment securities or other valuable properties at a time when markets are depressed and prices are low.

bottom line

The summary or result; the most important information.

bottom of the line

The worst or lowest quality on the market, especially among a range of products.

bottom of the ninth

By extension, any last chance or final opportunity.