Noun
A shaking or agitation; a shock; caused by the collision of two bodies.
A condition of lowered functional activity, without visible structural change, produced in an organ by a shock, as by fall or blow; as, a concussion of the brain.
The unlawful forcing of another by threats of violence to yield up something of value.
Source: Webster's dictionaryTruth is ever incoherent, and when the big hearts strike together, the concussion is a little stunning. Herman Melville
Though I walk through the valley of the shadow of trauma, I will fear no concussion. Jim Butcher
Enchantment and seduction were fine means of persuasion, but when time is short, an awkward but quick concussion could better serve a girl's purpose. Christopher Moore (author)
Sometimes a great wound or concussion of the head, especially which happens by falling headlong from an high place, brings a prejudice and weakness to the animal faculty, dulling the understanding. Thomas Willis
No, see the slide's too high. He could fall and get a concussion. (Wulf) Forget that. He could rack himself on the teeter-totter. (Chris) Teeter-totter nothing. The swings are a choking hazard. Whose idea was it for him to have this? (Urian) Sherrilyn Kenyon
I used to be a Catholic. I left because I object to conversion by concussion. If you don't agree with what they teach, you get clobbered over the head until you do. All that does is change the shape of the head. Alan Alda