A situation for a couple(man/woman), in which the woman, procures a double sided dildo. Preferably one with a good amount of give. The process involves locking ones genitalia, and then the double sided dildo is placed within both buttholes.

The intimate dove-tailing of fingers in a pleasurable union of the hands.

The ultimate decision. A process of choosing what is accepted given a list of options.

philosopher Ken Wilber's interpretation of John Locke's "interlocked world order"

Fitting two things together, or lock them into each other (past tense)

When yourself and another person with an anus that is shaped like a cone from prolapse, press together anally and interlock with each other. Sometimes it gets even more tasty when one person needs to shit.

When 4 people: 2 guys, 2 girls have an orgy where every one is doing something
the first guy gets a blowjob while the girl giving him the bj is lying on her stomach on a bed and get pounded from behind. the guy pounding the girl is also eating out a second girl on top a bunk bed