pierce

barge (in), breeze (in), burst (in or into), waltz (in)

drop in, pop (in)

stray (into), wander (into)

crash, encroach, gate-crash, infiltrate, infringe, intrude, invade, trespass

broach, tap

poke, prick, prickle

penetrate

burrow (into), excavate, gouge, groove, hollow

break, cut, gash, notch, rend, rupture, slash, slit, split

spindle

perforate, riddle

bayonet, dirk, gimlet, pike, poniard, prong, quill

pinprick, poke, prick, punch, thrust

cut, knife, slice