The phrase "huge dollop" is a way to describe something that is quite large or plentiful. It is often used to emphasize the size or amount of something. Full definition
Look at people who post denialism, and many of them have vested interests, for example they are engineers with links to transport or power industries, and many others have libertarian style political views opposed to environmental laws, a few are eccentrics with huge dollops of dunning kruger syndrome, and some are conspiracy theorests, or some combination of all this. (realclimate.org)
It transforms the family - friendly crossover into a rocket, providing huge dollops of torque that make the Flex feel as quick as some sport compacts. (automobilemag.com)
Finish off just before serving with a huge dollop of Wholly Guacamole. (thewickednoodle.com)