Because Arya Stark 's direwolf, Nymeria, attacks Prince Joffrey Baratheon along the banks of the Trident, Nymeria is ordered to be killed but she cannot be found.
In the context of computer networks, jitter is the variation in latency as measured in the variability over time of the packet latency across a network. A network with constant latency has no variation (or jitter). Packet jitter is expressed as an average of the deviation from the network mean latency. However, for this use, the term is imprecise.
A jigger or measure is a bartending tool used to measure liquor, which is typically then poured into a cocktail shaker. It is named for the unit of liquid it typically measures, a jigger or shot, which measures 1.5 US fluid ounces (44 ml). However, bar jiggers come in other sizes and may not actually measure a fluid jigger.