Fridge and Jug

The Fridge and the Jug

I went to the fridge
Saw a jug
"What's in it?" I wondered.
Dip my finger in,
Taste a bit,
Mmmm!! Peach syrup.
Delicious.

Next day
Went to the fridge
Saw a jug
YES!! Peach syrup.
Dip my finger in again,
Taste it, drink the lot.
Mmmmm!!

Next day
Went to the fridge,
Saw the jug
Drink the lot.
"Yuck"!!!
Cold grease.

WHO THE HELL PUT THAT THERE?