Misknotted

Women with corsages were few, and the only guy to show up in a tux was a returning alumnus with a misknotted bowtie that dangled from his neck like a damp golf glove.

Source: wiktionary

Here I was suddenly a man of means and this little snot-nosed kid in a short-sleeved white shirt with ketchup on the pocket and misknotted tie was ordering me about.

Source: wiktionary

As usual, Mick noted irritably, he was wearing a shirt with cross-hatching and a shitebrown tie misknotted entirely and only coming down to the middle of his chest.

Source: wiktionary