Usage: Place the following code into your autoexec.cfg. When in-game, press F1 to switch between the different anti-aims (Down, Up, and backwards down).  

  NOTE: Anti-aims can only be used in servers with sv_Cheats, OR you need to use the anti-aim with a hack (recommended).

alias "aaDown" "thirdperson; cam_idealpitch -89; cam_idealdist 100; cam_idealyaw 0; cl_pitchup -89; cl_pitchdown -89; bind s +back; bind d +moveright; bind w +forward; bind a +moveleft; -moveleft; -moveright; -back; -forward; alias aa aaUp"
alias "aaUp" "thirdperson; cam_idealpitch 89; cam_idealdist 100; cam_idealyaw 0; cl_pitchup 89; cl_pitchdown -89; bind s +back; bind d +moveright; bind w +forward; bind a +moveleft; -moveleft; -moveright; -back; -forward; alias aa aaAngle"
alias "aaAngle" "thirdperson; cam_idealpitch 89; cam_idealdist 100; cam_idealyaw 270; cl_pitchdown 89; cl_pitchup 89; bind a +forward; bind s +moveleft; bind d +back; bind w +moveright; -moveleft; -moveright; -back; -forward; alias aa aaOff"
alias "aaOff" "firstperson; cam_idealpitch 89; cam_idealdist 150; cam_idealyaw 0; cl_pitchdown 89; cl_pitchup 89; bind a +moveleft; bind s +Back; bind d +moveright; bind w +forward; alias aa aaDown"
alias "aa" "aaDown"

bind F1 aa