1. To pierce through and emerge out of someone or something like a spear. The sharpened stake drove into the poor animal's belly and speared out its back. The fighter jet came spearing out of the clouds with incredible speed.
2. To pierce something with something long and sharp and pluck it out (of something else). In this usage, a noun or pronoun can be used between "spear" and "out." I sharpened a long stick and speared the fish out of the pool of water. She used a shish kebab skewer to spear out the last olive from the jar.
spear something out (of something)
to bring something forth from something by sticking it with something sharp and pulling. Richard spears pickles right out of the jar with a fork. He speared out a pickle.