To make a small gesture with one's hands -- turning them outward, slightly, so that the palms are nearly face up -- indicating one's innocence of any wrongdoing or ill intention.

face up, more or less To turn one's hands outward, slightly, with the palms more or less facing up: a gesture
Shrugdicate

From a prose adaptation of David Mamet's Glengarry Glen Ross:

"...how are you?" Ricky asked, finally noticing George's agitation.

"Fine," George preoccuplied. "You mean the board...? How am I doing on the board?"

"Okay," Ricky said, shrugdicating. "The board."

"I'm fucked on the board!"
by Worgus July 14, 2008
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