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1.
A transexual who used to be a male and now is a female. Usually in teaching positions, when a doolan is discovered anybody who sees them can instantly that that "is a DUDE."
Man did you see that doolan?
by Dan010101 November 04, 2007
 
2.
a looser who createts there own stupid fictional characters like bean man etc...

also is worried about his sexuality
" man that boys such a looser"
" yea dude hes a proper doolan"
by yoypoyoyooy March 18, 2008