1 definition by opn94

Top Definition
Over Affectionate Parents.
You walk into the room, and your beloved parents are going at it asif they're 40 year old amateur soft-porn stars.
It's enough to make any innocent teenager feel physically sick.
Olivia: 'I walked into the room today and my parents were totally making out and aahhh they make me sick! They're fucking OAP's.'
by opn94 June 22, 2009

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