Using the pathological male brain as a defense in order to defend from an attacker. Usually a good thing to do if you know the attacker is just a friend who is heated in the moment and you feel a fight is more or less unproductive. Also can be done through yelling at each other first then talking things out afterwards.
Cody: *stab*
Chase: *emotionally touches cody through tone of voice to trigger extreme love from cody which is a symptom of borderline personality disorder* *grabs knife while caught off guard* I just diffused.
In sports, the opposite of "win and in"; describes a team's situation entering a game in which if the don't come out victorious, they are eliminated from postseason (the diffuse element is derived from the fact that the playerson the team will go their separate ways at the conclusion of the season).
A modified down tube for a water pipe that instead of just having one large hole opening into the water, instead the glass comes to a closed tip, along which are several smaller holes. This supposedly cools the smoke before being inhaled by diffusing (spreading) the smoke over a larger area.
Fuck, smashed my down tube cleaning it. Replaced it with a diffuser instead so my smoke should be cooler.