ADJ.
straight
VERB + NOSE-FIRST
embarrassing, fly
ADV.
slowly
adj
Having the nose first.
The speed and her heavy pack threatened her balance, but she caught herself before succumbing to an embarrassing nose-first topple to the earth.
adv
With the nose first.
Bullets do not fly straight, nose-first, but move slowly around their long axis in flight (precession).