hacker

1963 with reference to students who hacked into and disrupted the telephone network at Massachusetts Institute of Technology: Tech (Massachusetts Inst. of Tech.) 1 Nov. 20 Many telephone services have been curtailed because of so-called hackers... The hackers have accomplished such things as tying up all the tie-lines between Harvard and MIT, or making long-distance calls... One method involved connecting the PDP-1 computer to the phone system to search the lines until a dial tone, indicating an outside line, was found. "hacker, n.". OED Online. March 2022. Oxford University Press.

The Electrical Engineering Department, J. McKenzie in particular, for allowing me to use the PDP-1 computer to do the extensive computations, draw graphs, and even type this thesis. In this connection Charles Landau did some of the programming, Luella Thompson did most of the typing, and W. B. Ackermann helped when the machine would not cooperate. Many other computer hackers also willingly offered advice.

Typically, one hacker will annoy another; the offended party replies by launching a denial-of-service attack against the offender.

Thomas Limbrick, who was only nine years of age, said he lived with his mother when Deborah was beat: that his mother throwed her down all along with her hands; and then against a wall, and kicked her in the belly: that afterwards she picked her up, and beat her with the hacker on the side of the head; wiped the blood off with a dish-clout, and took her up to bed after she was dead.

The upper half of each turnip had been eaten off by the live-stock, and it was the business of the two women to grub up the lower or earthy half of the root with a hooked fork called a hacker, that it might be eaten also.

In January or February the "hacker," with his keen-bladed ax, begins the round which ends the season. … About a quart of sap is taken from each box by means of the trowel-shaped scoop used by the dipper, and then the hacker comes along and starts the flow afresh by wounding the tree again.

a tennis hacker

Start runnin' for a streetcar and they open up with machine guns and bump two pedestrians, a hacker asleep in his cab, and an old scrubwoman on the second floor workin' a mop. And they miss the guy they're after.