A new YouTube video called "The Ice Cream Van" is making the rounds.  It's a mom filming her two kids eating beans and toast in the kitchen ... because we film everything these days.

Then younger one falls down.  And right after that, you can hear an ice cream truck coming down the street.  And the other kid gets so excited ... he falls out of his chair.  And the timing of the two falls is perfect.

WARNING: The mom says the F-word at :24.