Definition of stench warfare in English:

stench warfare

noun

  • The use of highly offensive odors to sicken, immobilize, or drive away an enemy.

    ‘they are hoping to win a big contract for their innovations in stench warfare’
    • ‘I guess you are getting used to the WWI-style stench warfare!’
    • ‘Stench warfare could form a key part of the U.S. non-lethal weapons program and provide police with an extra means of dealing with the kind of rioting that has disrupted recent summits of world leaders.’
    • ‘A review of the year's notable developments in ideas and other advances comments on stench warfare notes that the search for smells that can be used against enemy combatants - by making them throw up, become dizzy and possibly flee battle arena - has become serious business.’

Origin

On the pattern of trench warfare.