1 definition by lol--moogie

Where you mate gets all serious on you when you're just joking around. You're be giving them a wedgie and they'll start whinging and be like 'ERRSTOPDOINGTHATIT'SANNOYINGGGG!'
He just chucked the biggest siro ever.
by lol--moogie June 9, 2007
Get the SIRO mug.