:=
A smilie representing "noodles coming out of nose." The eyes are omitted. The colon represents the nostrils, while the equal sign represents the noodles coming out from the nostrils.
Person 1: :=
Person 2: wth is that?
person 1: noodles coming out of nose, you dolt!
person 2: oh, i c :=
Person 2: wth is that?
person 1: noodles coming out of nose, you dolt!
person 2: oh, i c :=