#1 A term given to someone who made a/lots of bad decisions under the influence of alcohol or drugs.
#2 refering to another person as nasty, dirty, or just plain yuck.
#3 being under the influence to where you are not coherant
#1 Matt you're a SLOPPY JOLLOPY; you hump that?
#2 Ugghhh, Jen is a SLOPPY JALLOPY.
#3 Niel was SLOPPY JALLOPY last night.
A sloppy jalopy is a sexual act for partners very comfortable with each other. During fellatio, when the man is about to climax, he pushes the girl away, cums in his own hand and smacks the girl in the face with it. This is called a sloppy jalopy.