Top Definition
To be trapped in a one-sided conversation for a ridiculously long amount of time; typically hearing stories that have already been told 5-6 times. Attempts to maneuver out of the situation are typically fruitless, as the perpetrator of the event will undoubtedly follow until the listener is thoroughly Sifford.
My friend died in a vet clinic when his heart failed to outlast a Sifford.
by CaptainRedbeard May 22, 2014
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