To stagger, stumble, or sway—losing one's balance or footing.
酔っぱらって地下鉄のホームでよろけた。
I staggered on the subway platform from being drunk.
急に背中を押されてよろけそうになった。
I was suddenly pushed on the back and almost staggered.
足元が悪くて一歩よろけたが、転ばずに済んだ。
The footing was bad and I stumbled a step, but I managed not to fall.
高熱で目がくらみ、歩くとよろけてしまう。
A high fever makes me dizzy and I stagger when I walk.