Definitions of rip:

• noun:   a stretch of turbulent water in a river or the sea caused by one current flowing into or across another current
• noun:   an opening made forcibly as by pulling apart

  Example: "There was a rip in his pants"

• noun:   the act of rending or ripping or splitting something

  Example: "He gave the envelope a vigorous rip"

• noun:   a dissolute man in fashionable society
• verb:   move precipitously or violently

  Example: "The tornado ripped along the coast"

• verb:   criticize or abuse strongly and violently

  Example: "The candidate ripped into his opponent mercilessly"

• verb:   cut (wood) along the grain
• verb:   tear or be torn violently

  Example: "The curtain ripped from top to bottom"