abusing vocally; expressing contempt or ridicule; "derisive laughter"; "a jeering crowd"; "her mocking smile"; "taunting shouts of `coward' and `sissy'"
Jeers are rude and insulting things that people shout to show they do not like or respect someone. the heckling and jeers of his audience. to laugh at someone or shout unkind things at them in a way that shows you do not respect them (Perhaps from gieren )
To jeer at someone means to say or shout rude and insulting things to them to show that you do not like or respect them. Marchers jeered at white passers-by, but there was no violence, nor any arrests Demonstrators have jeered the mayor as he arrived for a week long visit I didn't come here today to jeer: I want to give advice. mobs of jeering bystanders. + jeering jeer·ing There was constant jeering and interruption from the floor