what is the reference pour some sugar on may mean

They figure that they're looking for two people-the killer and his driver-and Clive has confirmed that Nick is on probation and wears an ankle monitor. The next day, Clive, Liv, and Ravi check out the crime scene. As Cassidy talks, a driver pulls up and clubs Cassidy to death with a tire iron. She says that she knows all about Nick's criminal activities, and can give Peyton a major Boss stash house. Stripper Cassidy Kozlowski calls Peyton and reminds her that Peyton tried to get her to roll over on her boyfriend, Nick 'Nick the Stick' Costas a few months ago.

They have beers and Ravi complains that he can barely lift his arms, and Liv suggests that he guys move in across the hallway. Peyton arrives with Major and Ravi, who are helping her move back in. Liv comes out a minute later and sees the scarf. As he leaves, Gilda's scarf falls off of her head. As she finds some in the freezer, Janko grabs her from behind, injects her with a sedative, and carries her off. Liv is at home taking a shower when a newly zombified Gilda lets herself into the apartment and searches the refrigerator for brains to eat. He shakes his boss awake, and Blaine calls him Scott instead of Don E. The next morning, Don E enters Blaine's office and finds him unconscious. Lastly, Major and Ravi are helping Peyton move back in with Liv when she receives a surprising phone call. Meanwhile, Blaine isn't quite himself lately, and Ravi makes a startling discovery. Liv consumes the brain of a recently murdered stripper and uncovers some extremely useful information.

What is the reference pour some sugar on may mean