What is the meaning of Ponchar?

to sting

to punch in/out (at work)

to crimp (to fasten by bending metal so that it squeezes around the parts to be fastened)

to strike out

to puncture (something like a balloon, a ball, a tire, etc.) and make it burst or unusable

to burst, to go flat (of a tire), to became deflated

Source: wiktionary.org