by nepi January 10, 2010
For anybody who has a penis, it's whenever you see something that makes you extremely erect/rock hard.
by tetsuhikokariya September 10, 2015
1) The hardest natural occuring form of the 6th element of the Periodic Table (Carbon). When cut properly it can appear to be very brilliant due its refractive index.
2) A playing field, in the shape of a square, where the corners are bases. Used to play baseball and variations of baseball, like T-Ball, softball, and kickball.
3) A 2D geometric shape with 4 sides of equal length, but with differing perpendicular angles. Actually a rhombus, but commonly called a diamond when a corner instead of a side is at the bottom.
2) A playing field, in the shape of a square, where the corners are bases. Used to play baseball and variations of baseball, like T-Ball, softball, and kickball.
3) A 2D geometric shape with 4 sides of equal length, but with differing perpendicular angles. Actually a rhombus, but commonly called a diamond when a corner instead of a side is at the bottom.
by Anonymous June 29, 2003
by The husky lover November 9, 2018
"DUDEE! That jacket is sooo diamond;"
"Man, that girl Nina's so diamond..."
"Yeah then Mr. Rosenau totally fell down the stairs and smashed his face!"
"Hahahhaha, that's diamond."
"Man, that girl Nina's so diamond..."
"Yeah then Mr. Rosenau totally fell down the stairs and smashed his face!"
"Hahahhaha, that's diamond."
by Crackkbaby February 14, 2008
A guy who can't get a girl because all of them decide to claim him as a best friend. Every chick claims he's attractive, but every chick says there is someone out there for him. Probably not though.
by Kell Lee October 10, 2009
Known as girls' best friend
by mysterious_writa September 25, 2004