This is a phrase commonly used by construction workers and contractors as a helpful reminder not to leavehardware on the ground or any other place where it could potentially harm unsuspecting co-workers. The same goes for your penis.
"Hey John. Don't leave your penis on the ground. B kool bag your tool. And don't leave that saw on the ladder either."
Means 'Wear A Condom' In A Nonchallant way, so your teachers/parents/boss/anyone else you dont want to kno ur gona have sex, wont notice what your REALLY talking about.
*In The Middle Of A Test.* guy1 "so mann, i was thinkin i was gone "hang out" wit Leah tonight.
Guy2 "hey, Be Cool, Bag Your Tool."
*Teacher looks confused and walks away.*
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)