Definition of rock-hard in English:
1Extremely hard or solid: rock-hard shafts of ice six-pack abs and rock-hard pecs
More example sentences
- They are sealed between two sheets of thick, rock-hard plastic.
- Hiking up her top layers, she stashes a pair of goggles against her rock-hard tummy.
- You're guaranteed a custom-made workout perfect for sculpting a rock-hard midsection in record time.
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