rut

1. Sexual desire or oestrus of cattle, and various other mammals.
2. The noise made by deer during sexual excitement.
3. Roaring, as of waves breaking upon the shore; rote.

1. To be in the annual rut or mating season.
2. To have sexual intercourse.
3. To have sexual intercourse with.

1. A furrow, groove, or track worn in the ground, as from the passage of many wheels along a road.
2. A fixed routine, procedure, line of conduct, thought or feeling.
3. A dull routine.

   Dull job, no interests, no dates. He's really in a rut.

verb

To make a furrow.