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1 definition by dejavu3194

Acronym for "Online Display of Affection." Similar to PDA ("Public Display of Affection"). An ODA is something done over the internet to show affection. It could be an acronym (such as LYL), a loving email, or even an emoticon.
Jack: g2g, ttyl
Jill: kk... lyl
Jack: ly2
Jill: Aw... I love ODAs
by dejavu3194 June 15, 2007