1) Having sex with a female, after someone else had sex with her within an hour before you.
2) Sucking/Kissing a woman's breasts with the intention of getting it on.
1) Steve banged Sarah right after Stew did, but Steve was okay with sloppy seconds.
2) Bill went up Beth's shirt and started sucking on her tits, constituting sloppy second base or sloppy seconds.
Giving her one within hours of her ending a relationship. Especially if she was the partner of one of your friends.
"So, Christian. How was it doing Mark's sloppy seconds?
Sloppy Joe sandwiches left-over from a previous meal.
For breakfast Tim decided to have sloppy seconds.
Posterior carnal engagement recruiting orificial auxiliary effluence lubricously.
I don't like surprise sloppy seconds.
The seif-proclaimed Kings of Junk Rock, hailing from Indianapolis, Indiana, blasting out three chord musical hooks more than Grandpa's tacklebox.
The musical group, Sloppy Seconds, is the best punk rock band in the world.
getting to someones mom after they have already creamed her
dude, ur mom is nothing but sloppy seconds now
Sex with someone who'd rather be with someone else, i.e., with someone whose first choice you aren't.
I got her sloppy seconds.