Internet interjection found in two theme answers

Question:

Answer:

OMG

Length:

Similar Crossword Questions:

Reservoir, and hint to puzzle theme found in seven long answers
Brief time (found in all four theme answers)
Compound found in perfume and this puzzle's theme answers
Postseason gridiron game, and a hint to the puzzle theme found in starred answers
"The wart stops here" product, and a hint to the theme found in eight puzzle answers
This puzzle's theme found in the answers to five asterisked clues
What the self-contradictory words found in this puzzle's theme answers are examples of
Tip, and a hint to this puzzle's theme found in five answers
PTA's concern found in all three theme answers (abbr.)
Weather Channel feature (it's the puzzle theme found in a quintet of answers)
Big, and word that is found in all three theme answers
Thanksgiving side dish found in the longest Across answers
Devices that, when turned, adjust themselves (just like the theme answers)
Regular stuff found inside this puzzle's three longest answers
Inside story found in five puzzle answers
What one gets by multiplying the numbers in this puzzle's theme answers
Contents of four answers found in this puzzle
Write in any of this puzzle's eight theme answers?
'Old MacDonald' sequence found in this puzzle's 10 longest answers
ConfuseÂ—or what to do to four common phrases to form this puzzle's theme answers
Nanobot's hypothetical ability, and the process that's overtaken this puzzle's theme answers
Big fight, and clue to this puzzle's theme that begins the four longest answers
Cryptographers' successes (and what can be found in the circles in this puzzle's long answers)
Records "broken" in this puzzle's nine theme answers
Sequence found in this puzzle's five longest answers