The abbreviation stands for "Red Army". In USSR, it was short for "Workers' and Peasants' Red Army".
The term comes from Russian civil war, 1917-1922, in which the victorious Reds (bolsheviki/ communists) fought against Whites (monarchists-liberals) and Greens (anarchists). Red is a well-known political symbol of communism.
Today, most commonly, it refers for the land-based armed forces; may or may not include aviation; excludes navy and missile troops.
On 16th of April 1945, The Red Army began the Berlin Strategic Offensive Operation, which resulted in the unconditional surrender of German troops on the night of 8 to 9 May 1945.
by Amy Fleming September 19, 2018
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It’s just a fucking R and A what else do you expect
Ra is also meant as the Egyptian god of sun ☀️
by Iwujdidooqoakske April 30, 2021
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Ra (pronounced 'rah'), or rara, meaning sunlight, is a similar slang to "za", or zaza.

The ra slang word comes from the Egyptian god, Ra (also pronounced 'rah'), who is the god of the sun.
"stop playing genshin and get you some ra!"

"His skin white asl, he some ra on that"

"That rara feel good on my skin"

"Me when I'm off the ra"
by Inerverse March 4, 2023
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State of extreme drunkenness, far surpassing the realms of pissed, pished, buckled or blootered. Complete and utter incapability.
"Shall we go out? I fancy getting ra"
by Freudian Slipper January 18, 2008
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This bitch is hella weird 👾👽

alien mother fucker:)
This ra is weird :}
by Bitch UwUUUUUU May 21, 2021
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