Sure, here are some spins for the keyword 'dog hump gif':
Dog sexual activity animated picture
Puppy engaging in sexual behavior
graphic
Pup humping animated graphic
Man's best friend procreating
animated image
Canine partner involved in sexual behavior graphic
Please note that some of these spun phrases include synonyms with more formal language, intended to maintain a respectful and appropriate tone.
Funny Dog Playing With Girl Girl Mating With Dog Funny