Abigail Ratchford And Lindsey Pelas -- Pay Attention To Our Lips ... Fat-Shaming Is Fugly

Models Abigail Ratchford and Lindsey Pelas have words for Internet bullies including fat-shaming comedian Nicole Arbour ... if you can pay attention to what they're saying.

Instagram's buxom-iest BFFs have uploaded thousands of sexy snapshots on their socials ... so, safe to say, they've dealt with a few of their own Internet haters here and there.

Ratchford gives our photog a pageant-winning worthy answer.