All-new geek quotes, modified to celebrate the new forum - (Jan/26/2009 )
Ace Ventura Jr: This is certainly an ironic situation with an apex predator there and me over here holding this little guy at the bottom of the food chain and all. Hey, Mom. Look what I found.
Ace Ventura: Pet Detective Jr.
with a guide dog and a chauffeur for using your car...the extreme version of "Beauty comes at a price." 
Gil Grissom: I can't tell whether he's brilliant or nuts.
CSI
well, as long as it's the most beautiful dog in the world and the most beautiful car...then it's worth the price........
The Tenth Doctor: Brilliant!
Dr Who
but you cannot see this anyway...though I wonder if you want to see a braggy SUV and a poodle
Hodges: Ah, so humble.
CSI
ppfftt..but what matters is that the other people can see them and be awed........
Ben Jackson: Yeah, I heard. But he might just have been copying you though, mightn't he?
Dr Who
well, I guess they laugh at you more...or start throwing eggs?
Richard Castle: That I have a copycat. Oh, my gosh. In my world that's like the red badge of honor.
Castle
not if they value their precious necks...
Margaret: I'm a fan of yours, you know. Your number one fan. But if you fuck this up, I'll smash your ankles with a sledgehammer!
The Nines
a not very subtle threat...luckily they are anonymous with their Guy Fawkes masks 
Meg: Keep sweet-talking me; this could go a whole new direction.
Supernatural
with my X-ray vision...I'm pretty sure I can identify these evil egg-throwing jerks....
Bobby McCallister: Like "Pillow Talk"?
Jack & Bobby
huh...didn't know that you're such a pervert....you surely won't look at the faces then
Jan Edgecomb: Honey, if you don't tell me what's on your mind, I'm afraid I'll have to smother you with a pillow.
The Green Mile
but how could I identify anyone by looking at some other parts of their anatomy? 
...I need to see the eye brows first...