The Double shovel is a sex maneuver that is used when the vagina is to tight to fit your penis into. It is performed by using both hands to widen the opening of the vagina allowing you to enter.
Guy 1: Dude, you fucked April? I heard she was a virgin.
Guy 2: Yeah man, I had to use the double shovel to get in her.
by Clarent Gaming March 5, 2017
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Eating in a fast, often rude manner, as if the eater would prefer to use two eating utensils to shovel food into their mouths quicker.
"Look at that fatass double shovel. He's already gone through three pieces of cake!"
by zidane207 August 15, 2008
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To carry out work that will have to be repeated/undone at a later date.

This term originated in the mining industry where workers would unintentionally block their entrance and therefore have to move the soil for a second time in order to exit.
Example 1:

Don't leave that there or you will have to double shovel it.

Example 2:

I had to double shovel that because I didn't think it through.
by TheSandgrouse March 18, 2019
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