cerca qualsiasi parola, ad esempio eiffel tower:
 
1.
Verb: The action of shaking one's Birkenstock sandal while paused mid-stride to dislodge any small pebbles, sand, mulch or other (usually organic) material.
"Yo, wait a minute, I've got to do the birkenshake!"
di L. Van Dusen 19 gennaio 2012