(transitive, simile) To have an extensive and penetrating understanding of (something or someone).

(US, slang) stuck; immobilized or unable to proceed

(chiefly US) An intensifier used in the same contexts as it's on, go on, and other expressions using the word on, but to express greater emphasis.

(simile) Getting along very well; being compatible; like a house on fire.

Not Muslim-like.

(simile) ravenously hungry

(informal) Used to indicate agreement with a proposed suggestion.

miserable; gloomy

present participle of fuck like rabbits

simple past tense and past participle of fuck like rabbits