boot slap 

when you shit on someones ass then kick them with your boot. Leaving a boot print on their ass in poo.

Last night i fucked jen then boot slaped then boot slaped the hell out of her.

boot slap by xpunx December 4, 2004

boot slapping 

a dance move; done by a fan of industrial music or Rivet-heads(look up definition).Rivet-head's often wear garb such as old army boots, giving a slap with the palm of the hand while dancing. dance popular among rivet-heads, performed chiefly to industrial or electronic based music.

Rivet-heads began boot slapping to show off their dance moves.

boot slapping by CG roxane October 3, 2007

Boot Slapper

Soldiers must dig a 12" cat hole with their entrenching tool to defecate in the woods. When you drop a turd too long and hard for the cathole you dug for it, it inevitably topples sideways onto your boot.

Q: Did everything come out all right?
A: it was a real boot slapper

Boot Slapper by all american 82 July 8, 2011

bootslapping 

“Bootslapping: to express political displeasure by throwing footwear.”

Source: Macintyre, Ben. "Who Puts the Boot Into the Shoe Throwers?" The Times Online, February 5, 2009.
http://www.timesonline.co.uk/tol/comment/columnists/ben_macintyre/article5663234.ece

Subsequent to the incident where an Iraqi threw his shoes at George W. Bush, bootslapping became a frequent expression of public protest.

bootslapping by AVilaEditor February 6, 2009