Wal-Mart Footlong Share definition Flag The act of wrapping your penis in saran wrap and having sex with your partner. Dude, I forgot to buy condoms at the store today, so when I got home I gave my girlfriend a Wal-Mart Footlong. Wal-Mart Footlong by ScrufferNutter March 16, 2017 0 0 Get merch Get the Wal-Mart Footlong mug. Buy Now — $32.95 See more merch