Where does this definition of iron butt come from?
This entry for iron butt is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Is iron butt a noun, verb, or something else?
In this entry, iron butt is tagged as 2n..
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.