Random Words:
1.
1 bigego= big ego
2 thinking too highly of ones self
3 up your own butt
how bigego (bu-gay-go) of you
thats so bigego (bu-gay-go) of..
1.
A penguin with epilepsy.
Simple as that.
Or, you could use it as a metaphor;
"Cor Ash, I'm shivvering like an epileptic pen..