What does SEG mean?
s**t Eatin Grin
Other definitions of SEG:
- Shit Eating Grin
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How to use the term SEG:
There are no example uses of SEG at this time. We would greatly appreciate your contribution if you would like to submit your own!
More slang terms:

DNF
did not find

CUOL
See You OnLine

SWP
sorry wrong person

HBTU
Happy birthday to you