说你2B侮辱铅笔
[shuō nĭ 2b wŭ rŭ qiān bĭ]
To say you are stupid offends the pencil. This implies a play on the insult to express that even labeling someone stupid (using a Chinese slur) is an insult to a humble object like a pencil. It humorously downplays personal insults.