Number three

Mixture of pee and poop - diharreah.

Number one - Pee
Number two - Poop
Number three - Diharreah

prandtl number

A stupid number used in heat transfer for correlation of external and internal flows.

I found the prandtl number!

Sqube number

The number which has both square root and cube root.

The numbers 64 and 729 are sqube numbers.

Number Three

When you have extremely bad diarrhea or thin watery feces. It is often the cause of spicy food and Taco Bell.

"Hey, can we go I have to pee...?"
"Dude, don't be a fag, go in the trees."
"...from my ass."
(Number Three)

Number 6

A stunning blonde who plays several key roles in Cylon society. She is the first humanoid Cylon that viewers witness in the re-imagined Battlestar Galactica. She is portrayed by actress/model Tricia Helfer.

See that blonde over there? She could be my Number 6!

Number 1.5

To extrete diarrhea or runny shit.

<me> Can I use your toilet sir?
<you> You gonna do a Number 1 or Number 2?
<me> I gotta do a Number 1.5!!!
<you> Find another toilet!

line number

In Greek organizations, one's line number represents their position in line.

line numbers:

#1 - Ace or Captain
#2 - Deuce
#3 - Tres
#4 - ?
#5 - ?
#6 - ?
#7 - Taildog or Anchor