e yes

when a nerd asks u what y-e-s is, to which u respond with yes, and the nerd then asks u what e-y-e-s then spells, to which u will say e yes instead of eyes

Nerd: What does y-e-s spell?
You: Yes
Nerd: Then what does e-y-e-s spell?
You: E yes
Nerd: stoopid, its eyes