a jokester; someone who is constantly pulling a "weenie move". someone who does things that are funny, yet inconvienent enough to get somone annoyed.
while playing pool...
sunshine: oh man, i just got the 8-ball in, i guess i lose
weenie: no its okay ill just take it out and pretend it never happened
sunshine: wow, that's so nice of you, wait does that mean if i beat you you will not accept defeat because you'll say i got the 8-ball in?
weenie: oh no, thats not something i would do
....10 minutes later
sunshine: yay i won!
weenie: no you didn't, you got the 8-ball in
sunshine: **shaking her head** what a weenie!