He has prejudice against so-called 'non-virgins' - that mindset is deeply backward.
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Internet-era slang, abbreviation of 非处女. Carries strong sexist baggage - used mostly by people promoting or criticizing the so-called 处女情结 (virginity complex). Note neutrally; avoid using it casually.
mistakes
处 here is chǔ (3rd tone, 'be / dwell' - the same 处 as in 处女 'virgin'), NOT chù (4th tone, 'place'). Compare 处女 (virgin) vs 到处 (everywhere).