(slang, humorous) A sudden burst of excitement or nervousness.

Any dog bred, trained or used for the purpose of attacking a target, either on command or on sight; trained either as a specialized form of police dog or a security force dog.

plural of attack dog

(chess) An attack revealed when one piece moves out of the way of another.

(computer security) A largely obsolete form of denial-of-service attack, involving broadcasting ICMP packets with the intended victim's IP address to a large computer network, causing the victim's computer to be overwhelmed by the response packets from the network.

(computer security) A method used to crack the password of a touchscreen device by analysing the oily smears left on the device's screen by the user's fingers.

(chess) An unconventional chess opening in which White immediately moves the king knight's pawn two squares ahead.

(UK, slang, derogatory) A fit of foolish rage; a tantrum.

(computing) An attack that subverts a reputation system by forging identities in peer-to-peer networks.

(computing) An attack against a system that consists of many minor actions (such as stealing small amounts of funds from multiple bank accounts) and is thus relatively difficult to detect.