lie down

verb

1. To assume a horizontal position.

   “Lie down on the bed until you feel better.”

2. To assume a horizontal position.
3. To be lazy or remiss.

   “He never got promoted because he was always lying down on the job.”

   “They may have finished 11 points behind West Ham and lost both league games, conceding eight goals, but the Tangerine dream remains alive. Holloway said: “We won’t get a bigger test than West Ham but we’ve got one chance. If you’d asked me last summer when I lost all those players I’d have said this was a dead duck, but we don’t lie down at this club.””

4. To submit passively.

   “I'm not going to lie down and take this!”

5. To have sexual intercourse (with).