Top definition
A brief means of referring to Japanese pornography, truncating the word "Nippon" (Japan) and adding "porn" since it sounds similar to the unaltered word "Nippon."
Many varieties of Nipporn exist, from schoolgirl motifs to monsters a.k.a. tentacle porn.
by mattbeowulf September 01, 2011
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug