Definitions by Thomas Wu
laf
Long and Floppy in reference to a redundent foreskin, but in many cases it becomes synonymous with asking if someone is circumcised or not.
pullback
Slang for an uncircumcised penis derived by the action of pulling back the foreskin literally before intercourse, urination, or docking.
Matt: "Hey YOU come here, are you circumcised?"
Thomas: "Nah"
Matt: "Sick dude, you have a fricken pullback"
Thomas: "Nah"
Matt: "Sick dude, you have a fricken pullback"