The act of riding a unicycle without a seat.
"did you go to the Macy's Gay Day Parade?"
"Yes, they had several Loftinists there"
"It was my first time seeing a Loftin, it was amazing."
A Loftin is when you loft your cum over a girl's face onto the other guy fucking her and it lands on his dick.
Oh dude I was totally gang-bangin' my bitch the other day and my bro pulled a Loftin on me.