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a pile of rocks and/or debris, placed upstream in front of bridge abutments in rivers and streams, used to prevent the erosion of the bridge foundation. Also used to prevent river banks from eroding.
We need to place some riprap in front of these new bridge pilings we just poured, so they won't erode.
riprap by Kurt Kemmling August 16, 2004
Related Words
rip ripped ripper ripe Ripley's ripoff rip cord Ripple ripping ripass

rippindicular 

a triple-hybrid word made up of the words ripping, ridiculous, and tubular, used to describe something with all three characteristics.
Ben: Hey Clay i just did some really extreme parkour around campus today! I even did a dumpster to refrigerator box 360 spin onto wooden crate then backflip gator into a garbage can!

Clay: Rippindicular!

Ben: Thanks much
rippindicular by shiftyclaybob October 2, 2009

Warhammer Ripoff 

A phrase commonly used to describe the games made by Blizzard Entertainment. Their games are slightly altered in appearance and in name using duplicates of all races in the Warhammer universe. See entries for Starcraft and Warcraft.
Have you played the latest game by Blizzard called Warhammer Ripoff 2!?
Warhammer Ripoff by Alyxandor January 9, 2010

Briggs the Ripper 

Notorious serial killer who pimped out and then murdered art students whilst at university in the 1970s. He did this out of an act of resentment for other art students, humiliating them by pimping them out, murdering them and then using their blood and body parts on canvas to create his own art - snuff art. Only part of this unique art collection has been recovered, the rest is said to have been sold on to privates collectors. He is currently housed in Brixton prison where he has become orally involved with the black community and is now awaiting extradition to the Sistine Chapel for crimes against art where, if found guilty, he will be set in concrete and become a gargoyle.
Have you heard about Briggs the Ripper? they say he was over 7ft, but I've seen him and he couldn't scratch a rat's back
Briggs the Ripper by Rubber Sheath September 20, 2008

rippin diggers 

Explosive flatulence in the presence of otherse resulting from a night of cold Chinese food and warm beer. Typically occurring between the hours of 2 and 5am accompanied by quiet snorting and supressed laughter.
-"Honey, you rippin diggers again?"
-/snort/chortle/
-"Son of a bitch."
rippin diggers by Mitmeister February 13, 2007

Riperino 

Jada: "I just failed my class"
Caroline: "riperino"
Riperino by RIP Riperino April 3, 2018