tumbleweed
tum-ble-weed
noun
An awkward silence or lack of response, especially after a statement or joke.
"His terrible joke was met with complete tumbleweed."
noun
A dry, detached plant that rolls across open ground in the wind.
"A lone tumbleweed bounced across the dusty road."
Thesaurus
Synonyms: Russian tumbleweed, Russian cactus, Salsola kali tenuifolia, Russian thistle, Amaranthus graecizans, Amaranthus albus, Cycloloma atriplicifolium, winged pigweed