Top definition
an abbreviation of quietly snicker to myself, used as a replacement for LOL because nobody actually laughs out loud when they write this. this should catch on.
*opens mildly humorous snapchat/message* replies:qstm
by zgrayzzz June 11, 2014
Get the mug
Get a qstm mug for your mom Nathalie.
buy the domain for your pet vlog