Sexual humiliations ideas?

Hello,my boyfriend likes to play ual role playing games in which i am like his queen and i suppose him to all kinds of humiliations...i find it pretty funny....just i am running out of ideas...would u help me?i mean no painful stuff,just things that can make him feel humiliated and-or ridicolous.till now i made him lick my feet and my armpits...by the way do u think is more humiliating to be forced to lick someone's feet or armpits?just curious.bye thanks