Something that was cut down, and the stump has a fungal infection growing, either on oozing sap, or the remains of the trunk.
Stuart and cody, I would dig it out and dispose of. (Not in your compost bin as it may spread disease) Burn or council waste bin.
got loads of these. Assume they are weeds? 😂
On top of that it's a great salad herb so enjoy http://letsgrowwild.uk/foraging/foraging-for-hedge-garlicjack-by-the-hedge/
Thank you all so much x