i Register
In some senses, ding-a-ling is marked as slang. Watch for register when choosing this word.
noun
The sound of a small bell; the sound of a fire engine bell.
The ding-a-ling from the fire truck somehow filled him with more dread than its horn blasts could: for whom does that bell toll?
An eccentric, crazy, or stupid person.
Pay no heed to what she hollers — she's a ding-a-ling!
The penis.
They explained patiently but firmly that he wasn't to play with his ding-a-ling nor try to show it to anyone.
adj
Attractive.
Joe is so ding-a-ling, I think I'm in love.