Kolla upp vilket ord som helst, t.ex. timebomb:
 
1.
a 'bottom selfie' - a photographic self-portrait featuring the buttocks, usually posted by female celebrities on social media networks.
"Cheryl Cole joins Kelly Brook and Kim Kardashian by sharing a rose-tinted 'belfie' " …from the 'Daily Heil', 23 October 2013
av Art Deptford 15 november 2013
 
2.
To take butt selfies.
Taking a selfie of your butt (booty).

Selfie+butt=belfie
av Rybear9ohsevin 25 mars 2014
 
3.
a belfie is a boob selfie. a belie usually does not have a face in it, but rather just boobs. belfies are commonly sent on snap chat.
did you like my belfie?
av h lion 20 juli 2014