A substitute word or phrase that, while constructed to be socially more acceptable, drastically subtracts from the legitimate intent and purpose of the original.
So, how do we go from 'shell-shock' to 'battle-fatigue', from 'old dude' to 'senior citizen', from 'rape victim' to 'unconsenting intimacy participant'? Because our culture thrives on caustic euphemism: The dumbed-down, homogenized, neutralized language of the mindless majority who want it that way...
A vagina that is perceived to be dirty, diseased, or in some manner toxic. Also sometimes referred to as the Caustic Cleft.
When a guy hooks up with the last remaining (and often disgusting) woman in the bar he will often tell his friends, "I am going deep into the Caustic Valley tonight boys."
Caustic Comedy is a particular form or type of humour: comedy that is acerbic, cutting-edged, even cruel or insulting but always amusing, indeed, corrosive and burning as the word ‘Caustic’ itself suggests. Google one of the great names in comedy and the word ‘Caustic’ is likely to be mentioned somewhere in their description.
His caustic comedy is a brand of aggressively caustic humour that targeted everyone from unknown “hockey pucks” to big-name celebrities.