Ground-Hog Day-gasm
A Ground-Hog Day-gasm is any cumgasm that a guy has on Ground-Hog Day.
Well, I had three Ground-Hog Day-gasms yesterday!
Hog-gasm
When your man is about to release the "dog of war" and you can only respond by making guteral swine noises.
While Cromer was on the precipice of ejaculated, Tiffany could only hog-gasm.