the act of having anal sex from behind on a porch and then pulling out quickly and having someone else insert, without the knowledge of the receiver. after pulling out, one runs outside and starts mowing the lawn in full view of the receiver, so as to surprise them in the realization that it is not you in their anus.
Ralph and I performed the constant gardener on Phylicia.
A persistent nose picker. Someone who really goes to town on his nose in public habitually.
He could not stop fiddling with his nose while we were talking. I knew that he was a nose picker but this bordered on "constant gardener" behavior.