the nasty knot of hair that clings to your hand after you resurface from a deep hard iching of your ass or balls. sometimes this furry little creature is held together by dried shit or cum. they do not make very good pets.
harold: fuckin A man, i just went down to ich my nuts and this pube spider just bit me!
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.