choke down
To swallow something with difficulty, often because it tastes bad or is cumbersome. A noun or pronoun can be used between "choke" and "down." I didn't know that Lexie was a terrible cook until I had to choke down some of the disgusting stew she'd made. I couldn't choke down any of those pills—they're just too big!
choke something down
to eat something, even though it is hard to swallow or tastes bad. The cough medicine tasted terrible, but I managed to choke it down. She choked down four of those pills all at once.