When you're getting a blowjob from your girl and you cum in her mouth but she doesnt swallow. Instead she flips you over on your knees, grabs your cheeks and spreads them. She then takes her thumbs and opens your asshole and she spits your cum into your asshole.
Lick-spittle. A slimy grovelling and devious person who will do anything to get ahead in their life and career including accepting an order from the boss to lick a big green greasy lump of spit in the hope of promotion or a pat on the head.