fart (v) - to release gas from the bowels through the bottom.

fart (n) - an escape of gas from the bowels.
to do fart

fart (n) - a boring, annoying or unpleasant person.
He's a pompous old fart.

fart about/around - to waster time doing silly or useless things.
Stop farting about and help me tidy up.

The best way to improve my English