The act of stumbling upon someone's Instagram who you do not know and intensely analyzing all of their photos all the while leaving no trace of likes or comments.
"The principal thought I was a good kid until she instalked me and realized I deal meth to handicapped veterans"
by Samiler April 05, 2015
Get the instalkmug. by SaMiLeR November 19, 2013
Get the comeburstmug.