'Squeezing out the toothpaste' is a term sometimes used when a group is seemingly squeezed, but in reality is forced into a direction where it should have been stopped, in particular into the territory of the player doing the 'squeezing'.
Often contact plays will not stop the finger.
Charles ,
and
are bad. In particular
is a classic squeezing out the toothpaste[1] mistake.
dnerra: Charles, I think this is a little more general than your text suggests. (I haven't had a GTL review yet where I didn't have to explain this.)
Forcing your opponent out with a move as is always bad, regardless whether there is black territory in that direction. It makes the black plays on both sides inefficient.
Here is an example from an amateur game:
Black plays to strengthen his group, then
to prevent the cut. Now he has weakened his center group more than he helped it.
One can argue whether
is necessary. But if Black wants to play it, he should play there directly, without the
/
exchange. (Leading to
at
,
at
,
at a).[2]
I always try to explain this with the following diagrams:
The concept seems very simple. But one can see this basic mistake in many one-dan games.
[1] I'm quoting myself here, a bad habit I know. Charles
[2] One can also make the point that would be better at b here.