1. The act of sucking someone's toes to give or recieve sexual pleasure.
2. The act of ejaculating sperm into someone's anus, and then sucking the sperm out with a straw. Without a straw, this is known as felching
"Once that chic washed her feet, i was shrimping all night."
"I fucked that dude, came in his ass, then sucked every drop out with a straw. Man, I love shrimping!"