If someone can get a score over 9000 I will tell them how to get a score even further beyond. (Warning: It is very time consuming) Here's my best (Not using said technique)
The post got deleted before I can say anything but I shall reveal it anyways (Yes it's extremely time consuming and is only for the Jam version.) When you consume the cube eating ice walls 1 at a time will provide more weight due to the modifier. Thank you for your interest/