1. butt
The cause of the fire was his cigarette butt.
The goat butted the hiker with his horns.
Get your butt out of my face.
My butt hurts.
There are things I'd like to say but to butt in now would be what they call uncouth.
There's no need for you to butt in. Just let him do this on his own.
Hey, we're trying to have a serious discussion here so I'd appreciate it if you wouldn't butt in so irresponsibly.
Get off your butt and do something!
A butt by a ram is very painful.
I can lash my knife to the butt of one of the oars.
Spare me a butt.
Your ashtray is full of butts.
Push the butt
Don't throw butts on the ground
The one whose butt got burned has to sit on the blisters.
2. stub
There were cigarette stubs all over the floor.
3. cigarette end
4. cigarette butt