Sarah MacKinnon wrote: "I am so glad I have found others that do this. Chocolate every time."
And Steffy Louise Cox commented: "I love dunking my fries into a strawberry milkshake, I've done it for years and it tastes amazing."
But not everyone is lovin' it, with some denouncing the idea as revolting.
Donna Spooner commented on the post, which has been shared over 4,000 times, saying: "Nearly threw up a little, no just no, can't ruin a good milkshake or fries hahaha."
Oli Milton added: "People who think it's acceptable to dip fries in milkshake and then actually consume them, need to be banned from McDonald's."
Bower Adam agreed: "I find this revolting, I can't understand why people would do such things."
Bradley Ralph New joked: "I'm not dipping my chips in my drink, that's vile, if you want to go to another level put them in a blender - that may be better, depending if your stomach can handle it."