Dusty aggregation of plant matter rolled along the ground by the desert wind. A cliche of Western movies, emphasising silence or stillness, e.g. as the hero rides into an apparently deserted frontier town. Often used in connection with the death of a conversation after one participant unwittingly reveals that they are a moron. See also tumbleweed moment.

A roaming party, where the sole intention is to roam, whilst partying. Thus giving the effect of a bush party that moves, i.e. a tumbleweed.

good ass weed

Something to say during an uncomfortable silence or awkward pause in conversation. the conversation is so dead that a tumbleweed could be blowing through the people you are hanging out with like a desert.

Something to shout aloud when someone has said failed in an attempt to be funny.

Someone who's obsessed with Tumblr

where someone tells are bad joke and there is a awkward silence afterwards.