Top Definition
A verb describing the art of smashing the tennis ball out of bounds on a volly near the net in wii tennis.

Alternatively, as an adjective can be used to describe the feeling one has after losing a "gay-off."
Chris was up 40-30 in the final match of the wii tournament, but totally schaeff'd it to send the match to deuce.

Chris really schaeffe'd it up after David put an end to the "gay-off" by grabbing his man-ness.
by rsnow May 30, 2008

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