For me, thickness is more of a problem than is length.
I have taken a long, thin cock in my mouth for 6-7 inches, ( for a second or so)
Yes, that is into/down my throat.
Thick cocks are more limiting.

Orally,

WW

__________________
"I wondered, am I a lesbian, am I straight, or bisexual? Then I realized that I am just a slut.
So where's MY parade?"

---Margaret Cho