Translation from the screenshot:
"I fuck your mother in her dirty ass"
Click image for larger version. 

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From the lobby before he kicked me:

07:14 akumulatoR^: zoria karam ti kevu u bulju prljavu
07:18 Zorya: .
07:22 akumulatoR^: mrtvu
07:24 akumulatoR^: raspalu

Since I couldn't take /time screenshot fast enough here is the lobby link to confirm that game was played on eurobattle.net.
http://176.9.26.177/stats/game/4054271/rd-1700-fast-1-1