to poke; to jab; to stab; to pierce with a finger or a long, pointed object

(colloquial) a stamp or seal used for marking papers; a chop

(colloquial) to sprain a finger or toe from impact; to blunt or damage the tip of a long object (like a pen) from striking a hard surface

(colloquial) to stand something on its end; to stand up or stay upright

(vulgar) to engage in sexual intercourse

(slang) to support or back someone up