gigundous /dʒaɪˈɡʌn.dəs/ adjective1 •(humorous, nonstandard) Exceedingly or outrageously large; enormousThe place had these gigundous windows and I watched from the street as he comes in and starts kissing this woman and I don't mean kissing her like she's his sister or mother. — 2014 formsmore gigundous · most gigundous