dry bot 

The act of humping a dry arsehole, usually with the neeb void of moisture.

Note for added effect a chemical dry bot can be performed

Spug: "Hey Dan, fancy a dry bot"

Dan: "Mmmm, only if you ram it in hard.... like"

dry bot by Wayne Sparrow January 5, 2009

chemical dry bot 

The art or action of enhancing the dry bot to a further dried state with the use of household chemicals. normally acetone

Dan: "Hey spug... fancy a dry bot?"
Spug: "Chemical like?"
Dan: "Kinky twat, I'll get me mams nail varnish remover!"
Spug: "I love chemical dry bots... how!"

chemical dry bot by Wayne Sparrow November 22, 2007