Gluten free multigrain cracker. From the Greco romain word flackus which means to vomit after a small meal.

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)

Someone who makes excuses not to go to previously planned engagements; someone who blows people off to do other things or because they don't "feel" like it; an unreliable person. Comes from the word flake pronounced wrong one day.

Flacker is a name that you call someone who slacks intensly. Flacker would mean a Freakin' slacker.

some one who is a faker and a slacker

someone who is using flash hacks in Counterstrike.

1.) A fucking slacker.
2.) One who flacks.