Dictionary.com
Thesaurus.com

interweb vs. internet

[in-ter-web] / ˈɪn tərˌwɛb /
Also interwebs,

noun

  1. the internet: used jocularly when pretending to be or referring to an inexperienced internet user, or when expressing a disdain for certain internet content.

    vague recollections presented as fact on the interweb.

[in-ter-net] / ˈɪn tərˌnɛt /
Or Internet

noun

  1. Usually the internet (except when used before a noun) a vast computer network linking smaller computer networks worldwide: includes commercial, educational, governmental, and other networks, all of which use the same set of communications protocols.

    They advertised the sale in the local paper and on the internet.

    My insurance company offers incentives to refill prescriptions over the internet.

    Parents are advised to monitor their kids’ internet access and block websites with adult content.

idioms

  1. win the internet,  to be or post an article, comment, etc., on the internet that is particularly good or that earns the approval of others (often used sarcastically).

    That perceptive tweet of his won the internet last night.

    Very funny, intelligent tirade—you win the internet!

  2. break the internet,

    1. Slang.  (of a story, image, etc.) to go viral online and suddenly dominate public interest and discourse.

      Creative marketing for her new album broke the internet.

    2. to cause internet technology or culture to change for the worse or cease to function.

      Could government surveillance and censorship break the internet forever?