When one has the desire to suck and kiss a girl's feet.
Jake reached his girlfriend's foot, pulled off her socks, and started sucking and kissing her toes. The pleasure made her moan in delight as she enjoyed the experience. He had an extreme foot fetish for soft, polished feet.
Martha: How was your day with John last night?
Chloe: I didn't have a good time. His penis is soooo small!!
Martha: Sucks to suck I guess.