What is Shalacking?
1.
beat the oposition by a huge margin
wow, we gave them a good old fashioned shalacking today
See
2.
Slapping your big, fat, hairy, sweaty sack against someones ears or nose. Sometimes a nut might get lodged in someones ear or nose...making them sneeze or pop their ears. You may also choose to nut in the persons hair while having your nuts stuck in one of their facial crevices.
We gave bob a public shalacking