Taken off the
New Zealand slang word "
egg", an Eggwin can refer to someone who is being an annoying idiot,
it can also mean someone who is very smart and annoying by using his/her/their intelligence against
people with lower Intelligence.
Example
1
Person
1: Bro stop your being such an eggwin
Person 2: Nah bro you're just dumb
Example 2
Person
1: Bro stop being dumb you absolute eggwin
Person 2: Drrrrrrrr