Top Definition
A murder, traditionally bloodless, committed with general ease and a lack of physical exertion. Typically perpetrated on one in an incapacitated or otherwise defenseless state.
I hate to see grandma like this, I'm sure she'd appreciate a pillow-smothering.

That baby is so freaking cute I kinda want to pillow-smother it.
by Penelope Cash February 12, 2009

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