knock

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Related to knocking: detonation, octane number, Knocking on heavens door, Engine knocking

knock

tv. to criticize someone or something. Don’t knock it if you haven’t tried it.

knock

/throw for a loop
Slang To surprise tremendously; astonish.
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References in periodicals archive ?
Knocking and announcing prior to entry merely provided the owner with the chance to comply before damage was done to his dwelling.
With his back to the wall, Guerrero came back and stopped Sandro Marcos in the third round last May, then took apart Diaz in a rematch on June 23 in Oakland, knocking him out in the sixth round.
A male club-winged manakin in Ecuador creates a series of seductive "tick tick tings" by knocking together his wings over his back, says Kimberly Bostwick of Cornell University.
The ability to knock down genes either stably (that is, creating heritable phenotypes through germline transmission of permanently silenced genes) or transiently ,as opposed to knocking them out altogether) has some important advantages in the production of animal models and in vitro cell lines.
All of them heard opportunity knocking on their collective doors, and they opened them.
However, this is hardly something that we're likely to think of as we're wondering who's knocking, and whether the Porter is ever going to get around to opening the gate.
The difference between a normal and knocking condition is just not that obvious.
Pointy Heads Software, leading innovators in mobile-to-mobile sharing, today launched Knocking Live Video - the world's first broadcast app - to the Apple iPhone.
I told the telemarketers that soon their industry, which employs thousands, will become a muddy patch, unless they stop knocking - and running away.
four members of the team heard a loud knocking, as if a huge woodpecker were drumming on a tree.
The knocking frightened Macbeth and made Lady Macbeth hurry to cover up their crime.
By knocking out gamma-glutamyl transpeptidase, the paradoxical reduction of intracellular glutathione was found to be associated with the accumulation of DNA damage (12).
Some courts view investigative tactics, such as knocking on the door and waiting for the exigency to erupt, as "too easy a by-pass of the constitutional requirement that probable cause should generally be assessed by a neutral and detached magistrate before the citizen's privacy is invaded.
Knocking eliminates the 'upload, send, download' process, establishing live, device-to-device connectivity regardless of proximity or other barriers.