A buffoon or imbecile.
A road vehicle (often a trailer) for the transport of liquid fuel, particularly aviation fuel at an airfield.
A fuel metering/delivery pump at a filling station.
A mobile water tank deployed to distribute fresh water in emergency situations where the normal system of piped distribution has broken down or is insufficient.
One of little consequence or ability.
A political candidate with little chance of winning
A particular weight category as prescribed by the rules, separate from an open or heavyweight class.
A particular weight class, or member of such, as prescribed by the rules, between that of the heavier welterweight and the lighter featherweight. See Wikipedia for the specifics of each sport.
A competitive weight division as prescribed by the rules, between the heavier middleweight and the lighter featherweight.
A person who cannot handle their drink; one who gets drunk on very little alcohol.
A person with low endurance.
To reduce the amount or weight of.
Lacking in earnestness, ability, or profundity
Having less than average weight
Lacking in strength
Having a small footprint or performance impact