A keen enthusiast or hobbyist.
A problem that needs fixing.
A manually positioned marker in flight instruments.
HIV.
A metal clip attached to the underside of a table, etc. to hold hidden cards, as a form of cheating.
A limited form of wild card in some variants of poker.
An asterisk denoting an apprentice jockey's weight allowance.
Any insect, arachnid, myriapod or entognath.
A young apprentice jockey.
A concealed electronic eavesdropping or intercept device.
A trilobite.
A semi-automated telegraph key.
An enthusiasm for something; an obsession.
Any insect, arachnid, or other terrestrial arthropod that is a pest.
Synonym of union bug.
Any of various species of marine or freshwater crustaceans; e.g. a Moreton Bay bug, mudbug.
A contagious illness, or a pathogen causing it.
A small and usually invisible file (traditionally a single-pixel image) on a World Wide Web page, primarily used to track users.
A small, usually transparent or translucent image placed in a corner of a television program to identify the broadcasting network or cable channel.
A small piece of metal used in a slot machine to block certain winning combinations.
An insect of the order Hemiptera (the “true bugs”).
To act suspiciously or irrationally, especially in a way that annoys others.
To install an electronic listening device or devices in.
To annoy.
A topic about which someone loves to talk at great length.
A child's toy consisting of a (usually wooden or cloth) horse's head mounted on a stick.
The Irish hobby, an extinct breed of horse.
A puppet-like costume used in some traditional dances and festivals that gives its wearer the appearance of a man on horseback.
An early bicycle with no pedals or brakes; a draisienne.