Well...I don't know if it is "silly" thing...it might just be a Staffy thing.
Sumo has a chest fixation...mine in particular! I don't know if it is my perfume or what it is. He will jump up...cradle my body with his front legs and lick the crap out of me! The more I laugh...the more intense he gets. When he is finished...I need a towel! When he was little...this was cute, but as a 20 kg SBT...he can get quite "pushy". It is almost impossible to not start laughing, but I know if I do...he gets soooo wound up and actually starts shaking. I put it down to him loving his mummy... He doesn't do it to hubby, but it might be because Steve won't let him