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Experimental plants that are capable of moving themselves around and attacking people.

Source:THE DAY OF THE TRIFFIDS. by John Wyndham
Beware the triffids... they grow... know... walk... talk... stalk... and kill!
by Triffid June 09, 2005
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Triffid: experimental plant that is capable of moving itsself around and attacking people.
Beware the triffids... they grow... know... walk... talk... stalk... and kill!

Triffids take over the world! From the greatest science-fiction novel of all time!

Man eating plants! Spine chilling terror!

The triffids are coming! The triffids are growing! The triffids are killing!
by Triffid June 10, 2005
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