The word "sneer" means to make a facial expression that shows scorn, contempt, or mockery. It is a curled-lip expression combined with a mocking smile or snicker. Full definition
In the Church, it is now easy to get a laugh and sense of common unity among young males in any audience by references to «elderly nuns in crimplene playing guitars» as a sort of general way of sneering at the 1970s - style liturgy. (faith.org.uk)
That said, I was floored by the revelation that Rachelle Gardner, agent extraordinaire, and someone who has kind of sneered at self - published work, has now... self published. (writerunboxed.com)
The whole party - scene setting, complete with sneering guys with chains and women in brightly - colored wigs, is apparently intended to make you gawp at its carnal adventurousness. (metacritic.com)