When a man encounters an obese woman who's back fat creates the illusion of boobs, and the man proceeds to shake his face between the "boobs" while making the sound of a motorboat with his lips.
The motorboating of an obese woman's "back-boobs."
See that sweaty, fat chick over there? I'll be boatermoting that back fat like a Louisiana swamp boatcaptain later tonight.
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)