Something

ON *:TEXT:!kegels:#: {

  if ($Timer(Clench) || $Timer(Release) || $Timer(Kegels) != $null) { goto error }

  else { 
    set %kegels 1
    while (%kegels <= 21) { 
      	if ($Timer(Kegels) != $null) { break }

      	else {
        	/TimerClench 1 0 /msg $chan CLEEEENCH!!!
        	/TimerRelease 1 10 /msg $chan RELEAAASE!!! 
        	/TimerKegels 1 20 /inc %kegels 
      }
    }
  }

  :error { halt }
}