Fifty Hitler post
The act of posting fifty successive images of Hitler in a thread, usually when you have run out of legitimate arguments for the topic at hand.
You: I disagree with you.
Them: You are incorrect.
You: You're a fag.
Them: Your mum.
You: *fifty Hitler post*
Them: You are incorrect.
You: You're a fag.
Them: Your mum.
You: *fifty Hitler post*