diff --git a/sys/include/ztimer.h b/sys/include/ztimer.h
index 32c0a1fb2a..b195dc1143 100644
--- a/sys/include/ztimer.h
+++ b/sys/include/ztimer.h
@@ -444,6 +444,19 @@ void ztimer_periodic_wakeup(ztimer_clock_t *clock, uint32_t *last_wakeup,
  */
 void ztimer_sleep(ztimer_clock_t *clock, uint32_t duration);
 
+/**
+ * @brief   Busy-wait specified duration
+ *
+ * @note: This blocks lower priority threads. Use only for *very* short delays.
+ *
+ * @param[in]   clock           ztimer clock to use
+ * @param[in]   duration        duration to spin, in @p clock time units
+ */
+static inline void ztimer_spin(ztimer_clock_t *clock, uint32_t duration) {
+    uint32_t end = ztimer_now(clock) + duration;
+    while ((end - ztimer_now(clock)) < duration) {}
+}
+
 /**
  * @brief Set a timer that wakes up a thread
  *