Marie's quote would be "Yare yare desu", desu being the verb in this case. It's my favorite quote of her's. 
Free Step Dodge
ninjaguy446
crapoZK
I believe he's saying Jotaro's "YYD". So I'm going to reply with: "Majishyanzu Reddo wa urasan!"
JusTheBest29
@ninjaguy446 I wasn't trying to reference Marie lol. Although that is my favorite quote from her too.
@Cr!msonWarrior Oh snap! Another Jojo's fan? Glad to see there's more of us.
@Cr!msonWarrior Oh snap! Another Jojo's fan? Glad to see there's more of us.