fever-swamp

Noun

 * 1) Disease-ridden swamp.
 * 2) Group of political extremists.
 * 3) Extreme political positions.
 * 1) Group of political extremists.
 * 2) Extreme political positions.
 * 1) Group of political extremists.
 * 2) Extreme political positions.
 * 1) Extreme political positions.

Usage notes
In most cases, the political uses of this term do not make use of the hyphenated form except for attributive uses such as "fever-swamp conspiracy theories".