Two or more snowplows plowing a multi-lane highway in a specific fashion where the one in the innermost lane is just a few metres ahead of the next one, and so on, ensuring snow is bumped from the inside lane right on out to the outside shoulder.
Also known as "echelon plowing."
"It took me hours to get home. I got stuck behind a congo line."

"We've had 6 cm of snow within an hour and the congo lines are already out."
by blaidd January 12, 2004

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Top Definition
term for more than 2 males engaging in a line of anal sex
Kyle: Where are Brett, Aaron and John?
Randy: At home doing the fucking congo line.
by CrazeeCanuck October 26, 2004

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Your favorite word on a white mug.

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

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt