poke something through someone or something
to jab or stab something through someone or something. The evil knight poked his weapon through Arthur and withdrew it again. Danny poked his finger through the plastic pool liner by mistake.
poke through (something)
to stick through something; to extend through something. The tips of Tommy's toes poked through his sneakers and looked very cold. The end of the lost spoon poked through the piecrust on the freshly baked pie. Now we knew where it had disappeared to.