(simile) To be dumbstruck.

(chiefly UK) Never-ending; said of a task which will never be completed due to the perpetual cycle of having to recommence as soon as one has reached the end, or of efforts that are in vain because of this.

(obsolete) With a high degree of excitement or activity; like crazy.

(simile) With great ease and effectiveness.

Alternative form of like a rat up a drainpipe

Regardless of what you think.

(Canada, US, simile, informal) Very quickly; in short order.

(simile, rare) Looking hopelessly sad and dejected.

(simile, UK, slang) cheated or exploited; treated unfairly

(transitive, simile, informal) To cease contact or a relationship with someone as quickly as possible.