I assume you mean Lead. If that is the case go to the hospital, lead is toxic and you may need to have your stomach pumped depending on the amount of lead you ingested. If your talking about pencil lead which is graphite then no harm will come and if you meant l.e.d. than again nothing.
You Die
you die
pain
you die...
Nothing happens
You can get chemical burns along your throat and stomach if you swallow lye.
You burp bubbles
It depends on how much you swallow. If it is a large amount, you could get diarrhea and/or vomit.
You'll choke and die
Your ink drys out.
go ro the hospital
This too will pass.