snick ‧ er /ˈsnɪkə $ -ər/ BrE AmE verb [intransitive]
[ Date: 1600-1700 ; Origin: From the sound ]
American English to laugh quietly and in a way that is not nice at something which is not supposed to be funny SYN snigger British English
snicker at
The other students snickered at Steve.
—snicker noun [countable] :
a barely hidden snicker