To undo. Comes from the key code you type on a computer keyboard to undo something---hold down ctrl (which usually also has a little diamond on it) and Z.
by Ciee January 17, 2006
Get the diamond zmug. A Tom diamond is when ur take a shit so large it ruptures ur asshole so much u get a male period aka bleeding from the tip this is a very dangerous manoeuvre or thing to be around as ur think it last normal but once u realise it A Tom diamond if proper fuck
by badass4523 August 19, 2019
Get the Tom diamondmug. A deep depression that occurs as a result of realising that any wealth or success you have ever, or will ever achieved is a result of the efforts of your father.
Those guys are really showing off about their business success, but in reality they inherited a Blue Diamond from their dad.
by Suck a Fkwit August 28, 2022
Get the BLUE DIAMONDmug. The pure & unbridled essence of masculinity and ass-kickery. The ultimate symbol of the man libido and hossness.
by paranoidata February 17, 2010
Get the Bat Diamondmug. by diamond man lover February 17, 2022
Get the diamond manmug. 
Russ Diamond a local state politician from Pennsylvania has repeatedly claimed COVID 19 is a hoax and that mask use is not necessary. Although lacking formal education, he claims he is an expert on infectious disease. Russ owns one red shirt dress and a pair of crusty black jeans. Local organizations have tried to start fundraisers to buy Russ a new pair of jeans.
by Carl Leiss November 15, 2020
Get the Diamond Sensemug.