Toothpick Arms Share definition Flag A derogatory term for a someone who lacks or appears to lack upper body strength due to their very thin arms. I'll bet toothpick arms over there can't even bench 100 lbs. Toothpick Arms by Some rando out there September 15, 2023 0 0 Get merch Get the Toothpick Arms mug. Buy Now — $32.95 See more merch