Halfalaf Share definition Flag When you see something funny on the internet, and you don't laugh, but do the weird thing when you exhale loudly out of your nose. "That meme you sent me was pretty funny, Tanya. I didn't laugh, but I halfalafed" said Michaela. Halfalaf by randy_your_sticks April 19, 2017 0 0 Get merch Get the Halfalaf mug. Buy Now — $32.95 See more merch