hot willy dog
To cover one of your fingers in saliva (extracellular fluid produced and secreted by salivary glands in the mouth.) out in a hot, humid area and shove it up their anal passageway into the rectum and out while saying "Hot will dog!".
In Florida, a local boy gives a hot willy dog to his friend
hot dog willy
A hot dog willy is when you jerk a man off and when he's about to cum, you stuff a hot dog in his urethra while screaming: "Willy!"
John: "Samantha gave me a hot dog willy last night, it felt amazing!"