0 past simple and past participle of snicker
1 to laugh at someone or something in a silly and often unkind way:
What are you snickering at/about?
People were staring and snickering.
He wore his hair in a style that made his co-workers snicker.
Some people snickered at the very idea of her becoming a pilot.
Armstrong looked out into the audience to challenge anybody to snicker.
