burn the midnight oil

to work diligently, especially late into the night

I had to burn the midnight oil to get that done.

by The Return of Light Joker March 26, 2009

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burn the midnight oil

To stay up all night working. Apparently some drop the "the", though this must be rare.

Man Bob, you must have really burned the midnight oil on this one!

by ManyTreez May 29, 2005

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Related Words

burn the midnight oil • Burn the biscuits • Burn The Dirt • Burn the Evidence • burn the garf • burn the toast • "Burn-the-House" Mentality • burn the bacon • burn the block • burn the boats

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