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

Bootstrapping 

The action of lifting yourself out of poverty through sheer skill and force of will. It is about as plausible as the name suggests.

More billionaires exist now than ever before. If we all started bootstrapping, every American could become a billionaire!

Bootstrapping by Sitbear April 9, 2021

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

Bootstrapping 

When 2 girls lie on their stomachs while you insert one foot into each vagina and you pull on their hair while you attempt to walk with your feet still inside them.

Me and the ladies are going bootstrapping tonight! Oh boy!

Bootstrapping by Billy Lurker September 20, 2017

Bootstrapping 

To plus one your own self to an event, usually resulting in social exile.

Derived from the saying: 'Pull yourself up by your bootstraps,' as it involves paradoxically gaining entrance to a party through means possible only if oneself is already invited.

Ricky got kicked out after he tried bootstrapping his way into the party.

Bootstrapping by NineHill June 18, 2018