Aleksić was the founder of the Yugoslavian arm of the Dada, movement – also referred to as Yugo-Dada. He was a poet, painter and film maker. He studied Slavic languages in Prague, where he became familiar with the Dada movement and declared himself a theorist of organic art. He entertained correspondence with major Dadist representatives and founded a Dada club in Zagreb. Here he also contributed to Zenit, the most important avant-garde magazine in Yugoslavia, until the differences between Aleksić and Mimić led to end this collaboration. His name is linked to the journals Dada Tank and Dada Jazz, both edited and published by Aleksić in 1922.