to slap someone across the face.
five referring to the number of digits on your hand.
this is usually something done by a parent to their child when the kid is unruly.
kid: duh, i'm a stupid kid, i'm gonna knock over this vase
dad: boy!! that's five across the eyes!
<<*SMACK*>>
kid:waaaah! i am little bitch, but i sure learned my lesson.
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)