He would shout things out excitedly, or suddenly veer off the subject, or even run forward and violently shake a bored student.
They veer away from discussion, change the subject, or even ask openly if we can stop talking about whatever-it-is because it makes them too uncomfortable.
In particular, Sword wants to discover what triggers the insects' specific movements - a sudden veer or turn or an increase in speed, for example.
One can veer off the main paths into gorgeous, overgrown woodland areas.
But at the launch an on-board computer cut the rocket's engines when a first-stage rocket failed, causing it to veer off course.
Her opinions, too, arguably veer from the eminently sensible to the inexplicable.
Althoff's paintings are eerily beautiful, displaying delicate mastery of line, color and form, while their subjects veer toward the strange and macabre.
What had seemed at the time like an unexpected veer off into uncharted territory ultimately proved to be an anomaly as Henson returned to much safer and more familiar ground in subsequent series.
In later years Dave's politics veered in an anarchist direction.
At about 12 pm the driver of a blue Renault was travelling into Seend when he lost control of the car and veered into the path of a Land Rover travelling in the opposite direction.