suck under
verb1
To pull (someone or something) under the surface of a body of water.
- He was sucked under by the riptide.
- The power of the riptide sucked him under.
2
Broadly, Figuratively To cause (someone or something) to figuratively drown, such as by succumbing to a pressure or problem.
- Our country will be sucked under by my opponent's policies.