Sure, here are some spins for the keyword 'dog hump gif':
Dog sexual activity animated picture
Doggo performing mounting behavior animated image
Pup humping animated graphic
Doggy humping
animated picture
Dog child showing mounting behavior animated image
Please note that some of these spun phrases include synonyms with more formal language, intended to maintain a respectful and appropriate tone.
Doghump GIFs Get the best GIF on GIPHY