A sexual act involving insertion of hardened feces into a sweaty vagina. The hard log is then moved in and out rapidly to achieve sexual release. Most effective after a heavy workout.
When Eric couldn't satisfy Lauren's needs, he relied upon the trusty borud.

Since the tennis racket didn't fit, I gave her a borud using a shit-dildo I found in the ditch.
by vsanchez April 10, 2007
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