Give someone your thunder egg

To make love to someone. Derived from the similarities between the geode-like rock called a "Thunder Egg" and male testicles.

Braniel decided that after a long third date of watching the extended cuts of the Fast and Furious franchise (as well as Hobbs and Shaw), he would ask to take Delilah back to his apartment and give her his thunder egg. It was a good night to Give someone your thunder egg.