Definition of «real guts»

The phrase "real guts" means having the courage and bravery to do something difficult or important, even when it is scary or risky.

Wow — this takes real guts to do that. (it-takes-time.com)
But this video really does look like real guts and real gore were bursting out of his stomach. (fitnessandpower.com)
So while the film has an interesting look, it just lacks real guts. (moviereviewsfromthedark.com)
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