The area at the crotch of your jeans that pops up when you sit down and resembles a Weiner or Weenie. This can happen to men, women and children alike. For some it is a welcome addition, to others it is an embarassment.
"Man, when I ride my bike I get a huge Jeaner" or "hey did you see that girl's Jeaner? Nasty!"
by JenniferinReno April 15, 2008
Jeaner refers to the ridge or bump created by the folded material of jeans when a woman sits down, resembling a boner.
Either that's a guy, or that's a girl with a really bad jeaner.
by transformer911 January 15, 2011