rip 1 
(rĭp)
(rĭp)v. ripped, rip·ping, rips
v.tr.
1.
a. To cut, tear apart, or tear away roughly or energetically. See Synonyms at tear1.
b. To cause to be pulled apart, as by an accident: He ripped his pants when he bent over.
2. To split or saw (wood) along the grain.
3. Computers To copy (audio or audio-visual material from) a CD or DVD.
4. To subject to vehement criticism or attack: The critic ripped the tedious movie.
5. Informal To produce, display, or utter suddenly: ripped out a vicious oath.
6. Vulgar Slang To expel (a discharge of intestinal gas).
v.intr.
1. To become torn or split apart.
2. Informal To move quickly or violently.
n.
Phrasal Verbs: 1. The act of ripping.
2. A torn or split place, especially along a seam.
3. A ripsaw.
rip into
To attack or criticize vehemently: ripped into her opponent's political record.
rip off Slang
Idiom: 1. To steal from: thieves who ripped off the unsuspecting tourist.
2. To steal: ripped off a leather jacket while ostensibly trying on clothes.
3. To exploit, swindle, cheat, or defraud: a false advertising campaign that ripped off consumers.
let it/'er rip Informal
To allow something to start or happen with vigor or energy.
[Middle English rippen, from Flemish; see reup- in the Appendix of Indo-European roots.]