A workaholic who can't stop working even to take a leak.
A horny virgin who can't stop hitting on girls even when then have boyfriends.
The ultimate Jew stereotype.
2. one who thinks he is popular (esp if he is not).
3. an egomaniac, one who is obsessed with himself and his acheivements.
3a. specifically, one who is so insecure that he must brag about himself constantly.
4. one who sexually harasses girls he does not know.
5. a walking, talking smegma.