a minced oath (pseudo profanity or expletive deletive) in the fashion of altering traditionally obscene, blasphemous or words or phrases otherwise unacceptable for public use and discourse--jeez louise for jesus christ or freaking for f*cking. mammer jammer is a replacement for mother f*cker. Used in blaxplotation films and made popular by the stevie wonder song of the same title.
'she's a bad mammer jammer, just as foxy as can be..."
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. Penguin Books,1992. p. 38)