Код:
//Bhop 

alias +newbh "alias _special jump; jump" 
alias -newbh "alias _special" 
alias newbhtoggle "bhopon" 
alias jump "special; wait; +jump; wait; -jump" 
alias bhopon "bind space +newbh; speak on; alias newbhtoggle bhopoff" 
alias bhopoff "unbind space; bind space +jump; speak off; alias newbhtoggle bhopon" 
bind space +newbh 
bind mouse3 +newbh

Установка: просто скопируйте код в ваш конфиг.