Head Explosion script [Roblox]

pl=game.Players.LocalPlayer
mo=pl:GetMouse()
local person
idk=false
mo.Button1Down:connect(function()
idk=not idk
if idk==true and mo.Target.Parent:findFirstChild'Humanoid' then
person=mo.Target.Parent
victim = person.Name
m = Instance.new('Hint', game.Workspace)
m.Text = "You have exploded "..victim.."'s head."
me = person
head = me.Head
torso = me.Torso
health = me.Humanoid
leftarm = me["Left Arm"]
rightarm = me["Right Arm"]
leftleg = me["Left Leg"]
rightleg = me["Right Leg"]
leftarm.Anchored = true
rightarm.Anchored = true
leftleg.Anchored = true
rightleg.Anchored = true
torso.Anchored = true
local s = Instance.new("Sound")
local t = Instance.new("Sound")
t.Name = "sound1"
t.SoundId = "http://www.roblox.com/asset/?id=75992638"
t.Volume = 1
t.Pitch = 1
t.Looped = false
t.archivable = false
t.Parent = head
t:play()
wait(5.4)
head.CanCollide = false
s.Name = "sound1"
s.SoundId = "http://www.roblox.com/asset/?id=143933183"
s.Volume = 1
s.Pitch = 1
s.Looped = false
s.archivable = false
s.Parent = head
s:play()
local b = Instance.new("Sound")
b.Name = "sound1"
b.SoundId = "http://www.roblox.com/asset/?id=160248280"
b.Volume = 1
b.Pitch = 1
b.Looped = false
b.archivable = false
b.Parent = head
b:play()
head.Transparency = 999999
head.face:Remove()
head.CanCollide = false
head.Anchored = true
gui=Instance.new("BillboardGui")
gui.Parent=head
gui.Adornee=head
gui.Size=UDim2.new(0.8,0,0.8,0)
gui.StudsOffset=Vector3.new(0,1,0)
img=Instance.new("ImageLabel")
img.Size=UDim2.new(4,0,3,0)
img.Position=UDim2.new(-1.5,0,0,0)
img.BackgroundTransparency = 1
img.Parent=gui
img.Image = "http://www.roblox.com/asset/?id=161308023"
torso.BrickColor = BrickColor.new("Really red")
health.Health = -999
wait(0.01)
wait(5)
m:Remove()
end
end)