What is the meaning of Get_down?

To bring or come down; to descend; to cause to bring or come down.

To swallow (something).

To duck or take cover, usually to avoid harm. Commonly used as a caution or warning in the imperative.

To concentrate; attend.

To depress; discourage; fatigue.

To relax and enjoy oneself completely; be uninhibited in one's enjoyment.

To dance, particularly without inhibition or restraint, or in a sexually suggestive manner.

To party.

To have sex, especially to perform oral sex.

To leave the table after dining.

To record, most often in writing.

To criticise; to be strict towards.

To use a drug, especially heroin.

To do or perform well; to make happen; to make a serious effort at doing something.

To bet on (something); to place bets; to gamble.

Used other than figuratively or idiomatically: see get, down.

Source: wiktionary.org