To perform with excellence; to look amazing; to crush it. "She slayed that speech." "Outfit slay." Used as compliment and self-celebration. "Ate and left no crumbs" is the slay-maxed version: performed so well there is nothing left to critique.
The problem with "slay" is not the word; it is the world the word assumes. In slay culture, you are what you just produced. You slayed = you are valid today. You flopped = you are invisible today. This is performance-worth metaphysics, and it is exhausting. The gospel removes human worth from performance entirely: "For by grace you have been saved through faith. And this is not your own doing; it is the gift of God, not a result of works, so that no one may boast" (Eph 2:8-9). Christians can celebrate excellence — "whatever is excellent, think about these things" (Phil 4:8) — but cannot base identity on performance. Your worth is fixed by the Father before you slay anything, and it will still be fixed when you completely whiff. Jesus invites: "Come to me, all who labor and are heavy laden, and I will give you rest" (Matt 11:28). The slay treadmill has no rest.
Performance-as-identity is the working metaphysics of slay culture; the gospel is the only genuine rest from it.
Beneath "slay" sits a merciless anthropology: you are only as valuable as your last performance. Every day is an audition. Drag culture, from which the word comes, built its entire universe on performance-identity — not accidentally the culture most psychologically destructive to its own participants. Christianity's contrary claim is that worth is bestowed, not earned. You were worth dying for before you had anything to slay with. That fact releases you to excellence without being enslaved to it. Pursue skill. Pursue beauty. Let loose in whatever gifts you have. But do not locate your worth in the result — it is located in the Father who called you son or daughter before the world began.
Ephesians 2:8-9 — "For by grace you have been saved through faith. And this is not your own doing; it is the gift of God, not a result of works, so that no one may boast."
Matthew 11:28-30 — "Come to me, all who labor and are heavy laden, and I will give you rest. Take my yoke upon you, and learn from me, for I am gentle and lowly in heart, and you will find rest for your souls."
Galatians 3:3 — "Are you so foolish? Having begun by the Spirit, are you now being perfected by the flesh?"
Colossians 3:3 — "For you have died, and your life is hidden with Christ in God."
"Slay" says: you are as valid as your latest performance. Christ says: your life is hidden with me; your worth is settled by the cross; come and rest. Excellence is good. Performance-as-identity is slavery.
“She walked into the board meeting and just slayed the whole presentation.”
“Come to me, all who labor and are heavy laden, and I will give you rest.”