Definition of pop-under in English:

pop-under

Syllabification: pop-un·der

Entry from US English dictionary

adjective

Computing
Relating to, or denoting an additional window, usually an advertisement, that is under a web browser’s main or current window and appears when a user tries to exit.

Definition of pop-under in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day rebuff
Pronunciation: rɪˈbʌf
verb
reject (someone or something) in an abrupt manner…
http://www.oxforddictionaries.com/definition/english/pop--under
www.oxforddictionaries.com
crawl=CC-MAIN-2014-42
101891
application/http; msgtype=response
sha1:KTHK755N5CFQATDITNR24QQZCPJ2TAM5
<urn:uuid:8ca1357b-e734-42f1-a40a-6ad718a38b4b>
2014-10-23T09:07:09Z
54.197.234.165
sha1:SUXLPHHETGAP6QKSL5LMIYN4PMYWVY5H
<urn:uuid:0b98be11-f118-4ef5-86f8-7afdcc9201e6>
http://www.oxforddictionaries.com/definition/english/pop--under
length
response
<urn:uuid:7a41e864-2fd9-411d-89a3-044e4b8265a7>
robots: classic
hostname: ip-10-16-133-185.ec2.internal
software: Nutch 1.6 (CC)/CC WarcExport 1.0
isPartOf: CC-MAIN-2014-42
operator: CommonCrawl Admin
description: Wide crawl of the web with URLs provided by Blekko for October 2014
publisher: CommonCrawl
format: WARC File Format 1.0
conformsTo: http://bibnum.bnf.fr/WARC/WARC_ISO_28500_version1_latestdraft.pdf