no obj.
- speak rapidly and unintelligibly, typically through fear or shock（尤指因惊吓而）口齿不清、急急忙忙地说：
they shrieked and gibbered as flames surrounded them
大火向他们包围过来时, 他们又是尖声喊叫又是惊慌地叽里呱啦着
as adj. gibbering a gibbering idiot.一个前言不搭后语的白痴。
词源
early 17th cent.: imitative.