Scruffing

Scruff·ing
verb
1.
A canine action of rolling around in a happy manner, as if trying to scratch all parts of the body at once.

"Chewy was scruffing all over the couch."
synonyms: playing

Also see:
past tense: scruffed
adj.: scruffy
slang: scruffin'

"Chewy was scruffingall over the couch."