Pronunciation Misunderstood

In class, while lecturer was doing his work on his laptop, Kev was telling me something about his funny conversation with his friend that happened some time ago.

Kev: Ei, my friend can't pronounce "sperm" nicely...he pronounce "sperm" as "spam".
Me: Huh? What did he say?
Kev: He said "When the spam enters the hole etc etc..."

Me: Omg...chinese ed or what?
Kev: Yala, can't pronounce properly wan... (-_-)

ZQ: (in chinese: mei yeh, mei yeh) What is it?

Kev: Nothing la...

*proceeds to make fun of ZQ*

Kev: ZQ, try saying "spam"

ZQ: Spam...(laugh laugh)
Kev: Hahaah! Don't laugh la, got girl here. Do you know what spam means?
ZQ: Dont know.

Kev and I: (-_-) laugh but dont know what it means...

Ah Fun: What is it that is so funny?
Kev: Nothing la, we're talking about s...spam...

Ah Fun: Spam? Tsk, dont talk about that la.
Kev: Hahaha, see, Ah Fun also knows what that is, malu la you ZQ...

Me: Eh? How come you know what we we're talking about?
Kev: Ah Fun, tell ZQ what is "spam".

Ah Fun: Data Modelling technique, right?
Kev: (O_O) ... (=_=") she lagi blur case...
Me: lololol