ball smacker

The act of smacking ones balls off of your partners chin or taint.

Omar is a legendary ball smacker due to his rigorous pounding of his partner's ass therefore creating the long sought after smacking sound when his balls smack the partner's taint rapidly.

finger sniffer

One who sniffs their finger. Usually after they itch an unclean crevice on their body.

Aaron stuck his finger in his nut cheese and promptly smelled it. Aaron, you silly finger sniffer.