if you have a fat neck, it means you are proud, showing off, or bragging non-verbally. This term was coined when a friend of ours would get arrogant in a debate and tuck his chin in thus fattening his neck.
Synonyms for fat neck
On this page, you will find 30 slang terms related to fat neck. Some of the top words include: buttneck, rollin on dubs, flub, porker, chum chum, and 25 more.