An abbreviated version of "but her emails". In the early stages of the Trump Presidency, "yeah, but, her emails," became the sarcastic rebuttal to anything terrible that Trump did. Implying that Trump was elected because the alternative, a secretary of state having an unsecure email server, was obviously much much worse. "But her emails" has contracted to "buttery males" over time.
"Trump fired James Comey"

"Buttery Males!"
by HerpesFreeSince93 June 8, 2017
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