suck down
Upper Intermediate (B2)informal
Drink something through suction, or be pulled down into something like water.
"The kids sucked down their milkshakes before the car even reached the end of the street."
Hear it in context

Crash Course Astronomy Marathon • Full Series
CrashCourse · 405:03
don't black holes suck down everything, even light itself?

Crash Course Astronomy Marathon • Full Series
CrashCourse · 483:48
Black holes don't generate a lot of energy unless they happen to suck down