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1. To connect or fasten two things together. A noun or pronoun can be used between "couple" and "with." We still need to couple the trailer with the truck before we can leave.
2. To form a pair with someone else. A noun or pronoun can be used between "couple" and "with." When the teacher told us that we could work with a classmate on the assignment, I immediately coupled with my best friend.
3. euphemism To have sexual intercourse with someone. A noun or pronoun can be used between "couple" and "with." My roommate hasn't been home any night this week—I wonder who he's coupling with.
couple someone with someone
to join one person with another to make a pair. I coupled Todd with Amy for the dinner party.
couple something with something
to join one thing with another to make a pair. We coupled the budget issue with the staffing issue for our agenda.
couple with someone
Euph. to have sexual intercourse with someone. They coupled with each other in a night of passion.
couple with something
to connect or join to something. This railroad car will couple with the engine. These cars did not couple with the others properly, and there was almost an accident.