1 definition by Patrick J. Butler

1

The combination of the words shmuck and knucklehead.

"I can't believe Derek spilled water on his lap!"
"I know, what a shmucklehead!"

by Patrick J. Butler January 03, 2015

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• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request