Broken down, "pissed-up" means inebriated or drunk. A "slapper" is, well, a slut. Or, a woman of loose morals. So, a "pissed up slapper" is also known as a drunken trollop or whore.
"Lets go to the bar tonight and pick up a couple of pissed up slappers." "Check that pissed up slapper going down on Mark in the corner." "It's a sure thing cause she's a pissed up slapper."
2 people, mainly a dude and a chix, pressedtight against one another in a way that their hotspots (genitals) are makin' contact. This usually happens during intimate kissing and hugging. It can be standing up or sitting or laying down but is usually with clothes still on. Not dryhumping, just as it says, "Pressed up"
dude: damn we got all pressed up 2day, that wuz hawt chix: god i wanted to grind u today
Came across it c.50years ago when a teenager on a building site.
I think it may be where "pissed up" meaning to be drunk came from.
Foreman: "It's Monday and he asked for a sub, he got paid on Friday! All his wages pissed up the wall"
Me: "What's pissed up the wall?"
Foreman: "What? Oh, it's going out and getting drunk."
Me: ....?
Foreman: "Staggering home they'll feel like a piss and go against the nearest wall: what they'd spent their wages on just gets pissed up the wall."
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.