Internet interjection found in two theme answers

• Textbook Gordon Bennett!
• Letters of surprise, in text messages
• Modern version of "Jumping Jehoshaphat!"
• STFU, politely
• Astonished text
• Texter's "Amazing!"
• Shocked tweet
• "Holy cow!," in a text
• Texting gasp

Wikipedia Word definitions in Wikipedia
Oligodendrocyte-myelin glycoprotein is a protein that in humans is encoded by the OMG gene .