No homo is a saying between two dudes that show some kindness towards one another and use "No Homo" to dispell any inclinations of being "Homo". like when you say to your brother or good friend.
by ChrisDoc December 11, 2009
The sound of disgust coming from a crowd at a sporting event after something they didn't like happens.
The sports announcers reported, "That questionable call by the officials brings out the 'Boo Birds'."
by ChrisDoc November 10, 2009