Heel Hammer
To kick one's self in the testicles with their heel, while sitting in a chair.
Heel Hammer - Scoot to the end of your chair and let the "boys" spill of the edge. Now raise either foot (or both) and give the giggle berries a good whack.
Hammer heel
The act of stomping on ones body repeatedly in a fight, using the heel of one foot as a weapon of mass destruction.
"Lisa wasn't winning the fight, so she hammer heeled her opponent into submission"