The answer to the riddle is a "saddle." A saddle doesn't make any noise until it is used, and when a rider "slaps" it with their legs or body while mounting, it can be metaphorically described as crying out in a deep voice, representing the sound of the horse or the creaking of the saddle.
Ponyboy cries in front of Johnny because Darry slapped him, and Ponyboy has never been slapped.
potato
The answer to the riddle in "A riddle by Jonathan Swift" is "egg." Swift's riddle goes: "It is never his bolt that misses, / But he aims and shoots, and never kisses." The answer refers to an egg from a hen.
a potato
omelet
He never cries
"A mailbox" fits. I don't know if it's what the person who invented the riddle had in mind or not.
riddle school 4 is never coming out. jack griffin
You should never shake a baby.
Justice is served, but never eaten!
Never.
A River