Someone who recklessly does something and starts blaming someone else for their own negative consequences.
The term 'Intervene Charge' is consists of two words, 'Intervene' and 'Charge'. 'Intervene' here stands for the person trying to intervene (duh) and 'Charge' for him/her going in too quickly without assessing the situation.
This term is correctly used when the person in question tries to intervene with something, thus charging in recklessly to solve the situation while making it worse and then putting the blame on someone else.
The fact that you are blaming me now Wilhelmus, just proves that you pulled an Intervene Charge.
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. PenguinBooks,1992. p. 38)