(University campus slang). Student with little time for anything other than studies. Goes from the hostels to the canteen then to lectures and back to the hostels thus completing the triangle.
That babe no dey flex oo, she be triangular student.
When you are jealous or envying someone.
That guy is a baelusian.
The baelus weh Emeka get 4 me, no b here oooooo.
Origin: NMS Zaria