Footskating 

When stupid morons skate around without skateboard or rolerskates..

"Hey what are you idiots doing? xD"
"footskating?"

Footskating by Combustion Man from Denmark September 13, 2009

footsting 

The act or art of inserting ones foot in anothers anus. Like fisting but with a foot.

Also:
footsted
footst

Jake was footsting Adam when his mother walked in the room.

footsting by Jay Morgan December 29, 2004