Wiktionary
untrousered
a. Not trousered; wearing no trousers.
Usage examples of "untrousered".
I would fain not describe it save that the untrousered youth was bent over a desk and Edwin’s corker well plunged up his nether parts.
Then he recalled that the schools were on holiday and that, in any case, the desires of so presentable and self-assured a girl were hardly likely to fasten upon an untrousered ancient.