Footlonging 

the state of someone after consuming a 6inch Subway sandwich and regretting not getting a footlong.

"i just finished my meatball sub but now im footlonging

Footlonging by sighost neue July 22, 2010

Footloosing 

v: When you or someone else refuses another person of dancing

"Hey Shayquan! Why you footloosing Damon?"

Footloosing by CARRYONMYWAYWARDPUN December 31, 2014

Footbanging 

Similar to headbanging, footbanging is when you shake your foot in a repeating motion in sync with music or just out of boredom. It can be a subconscious or conscious movement.

one warning: footbanging can also be misheard as masturbating.

Footbanging by DragonHeart247 October 14, 2011