These are flak-jackets that soldiers wear to protect them from shrapnel. They are thick, heavy, hot and made of non-breathable material. Although they are useful in a war situation, they do nothing but dehydrate troops whilst training. The warm-hug is therefore also known as the dehydrater.
Learning to use the M203 grenade launcher wouldn't be so bad if I didn't have to wear my helmet and warm-hug.
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)