The most common and most likely answer to this crossword clue is the 4 letter word FADS which also is the latest solution we found used in New York Times in 2009.
Lava lamps and pet rocks, once crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| FADS | 100 % | 4 | 
Words with a meaning similar to the clue: Lava lamps and pet rocks, once
These words may or may not be a possible solution to this crosswords clue.- fad
 - craze
 - magma
 - cleaned
 - ash
 - jack
 - pack
 - pan
 - water
 - flushed
 - lick
 - erupt
 
Crossword Answer definitions
FADS noun- A phenomenon that becomes popular for a very short time.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution