You are a killer ( in the good sense of the term)

Off topic, just chiming in to say, generally in the sense you mean, in US English, killer is an adjective not a noun. So, you are killer is more on target and not in need of qualification. Maybe the expression killer app is muddying the idiom.

In reply to Re^3: Screenshot with Perl, OT by Your Mother
in thread Screenshot with Perl by Perlchaoui

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