When a male stalks out an unsuspecting passed out person, holds his own penis so the testes dangle, and rolls the testes across the victim's flesh while announcing "tumbleweeeeed."

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.