Top definition
The act of having his and her danger zones touch one another in a highly sexual erotic manner.

i.e: do the dirty, jump one anothers bones, sexing one up, intercourse, sandwich dancing, arousing with genitals, sexual friction, ect.
The other night, Harriot and I were bumping dirties real nice, when mother and father walked in. Family dinner will never be the same.

It was a dark cold night, the heat went out, and to keep things hot, mother and father decided to bump dirties. Nine months later came the consequence, ME.
by Kel & Dea April 03, 2007
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2
The act of having his and her danger zones touch one another in a highly sexual erotic manner.

i.e: do the dirty, jump one anothers bones, intercourse, sandwich dancing, sexual friction, ect.
The other night, Harriot and I were bumping dirties real nice, when mother and father walked in. Family dinner will never be the same.

It was a dark cold night, the heat went out, and to keep things hot, mother and father decided to bump dirties. Nine months later came the consequence, ME.
by Danielle A. & Kelly C. March 21, 2007
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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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3
Guy: You want to bump dirties?

Girl: How dare you threaten my life.
by Jerome the Black Mamba April 13, 2011
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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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