a comma used in some countries outside the US that acts as a decimal point. It can confuse the shit out of people who travel to other countries.
Example of decimal comma: €1,199 per Liter
one thousand one hundred an ninety-nine euros for a liter of gas?
No idiot, one euro and nineteen and nine tenths cents.
by nilethe146 June 18, 2014
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An absolute Badass who can incinerate T H O T S within seconds. It takes years of training to be accepted by the gods.
by DealingRocket76 March 13, 2018
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$1.6 Million is decimal dust when it comes to NFL salaries.
by MWMWDuckDUCK January 23, 2018
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1) This is when a decimal point is created by getting some stupid emo to cut themselves and bleed on the page to create a decimal point.

2) When you punch someone straight in the forehead wearing a single circular-mount ring causing a red mark to appear on their forehead.
1) "Come here Ohmed u fuckin emo kid i need a bloody decimal to add effect to my work."

2) "That bloody decimal looked sore"
"It was"
by Kilted Kayaker November 23, 2006
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The act of rounding the time up or down depending on whether your about to go on smoko or finish your smoko
Boss: You cant leave now there's still 15 minutes left of work
Me: Sorry Donna, dewi decimal rounding says I can round it up and finish now
by Falcon2.0 May 04, 2020
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A categorical system used to rank someone on your desire to engage in sex with them. Most commonly ranked between 0 (lowest) and 10 (highest) but can also be categorized by celebrities such as Roseanne (lowest) and Anna Kournikova (highest).
Look at that girl over there. On the do-able decimal system she is a Roseanne for sure.
by matixbrownshirt August 05, 2004
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