A: One goes choo-choo the other goes chew-chew.
If you are stuck at a red light, its the time that it takes for the occupant of the car behind you to honk his horn when the light turns green.
He can only stick to himself.
ex-spearmints
A school teacher tells you to spit out your gum, a train says choo choo.
With a trainslator
Because they're usually found on trucks.
Thomas the Search Engine.