geoff shreves's definitions
Summ boi also known as some boy is a person who has excellent banter or humour. Or in certain circumstances can be used to describe someone who is a great guy.
"What have you got me there Barry?", "Well Josh, I've got you some Barry's Red Cola.", "You are summ boi Barry, you are summ boi."
by geoff shreves June 3, 2016
Get the summ boimug.