5 liters. I think that the US is the only place where we still use it for quantities of liquid other than beer. Sometimes people use [slang] terms such as "pint-sized" or "half-pint" to refer to a child, small person, or small amount of something, so I guess my answer would be yes, it could.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.