Spread your toes: To die, to expire to cease to exist. A common and almost humorous way to express death.
To “Spread your toes”. When did uncle Matt spread his toes? “Oh:He spread his toes on July 9th” To die, to punch out, to crap out.

Strictly speaking a description of a death.
by Gregg The Lawrencville Hunkey December 26, 2017
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