The most common and most likely answer to this crossword clue is the 7 letter word DRIBBLE
I've seen this crossword clue in The Daily Telegraph
D
R
I
B
B
L
E
More clues leading to the result DRIBBLE
- Something to make small hole, allowing river to enter in trickle
- Old folks tend to do this initially down by river
- Slaver over tailless river bird
- A small amount found in Dutch river
- East of Scotland river is a trickle
- Recalled time mostly squandered? Just a bit
- Suppressing painful cry, jostle winger going up to move with ball
- Dee’s a river? Just a trickle
- Rector’s bible translation produces drivel
- First hint of 20 and northern river offers minimal flow
Buddy explains!

The straight part
We know that "trickle" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case trickle = dribble.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DRIBBLE mean?
DRIBBLE noun- Drool; saliva.
- A weak, unsteady stream; a trickle.
- A small amount of a liquid.
- In sport(s), the act of moving (with) a ball by kicking or bouncing it.
- (basketball, soccer) In various ball games, to move (with) the ball, controlling its path by kicking or bouncing it repeatedly
- To let saliva drip from the mouth, to drool
- To fall in drops or an unsteady stream, to trickle
- To let something fall in drips.
- To live or pass one's time in a trivial fashion.