Having a very poor tolerance level. The word threshold is the part of the door frame that you step over. In times gone by it was the peice of wood that went accross the doorway to stop the straw or hay (thresh) from spilling out of the house, long before carpets were used. Hence the word 'threshold'
To challange someone to a fight in the cbs PRIMARY (Green Street (yes it's actually called that) Wexford Town) - most usually or pacifically (specifically) in "Harvey's" field - the old soccer pitch across the road from the school. Before the traffic warden was introduced der (there) might be a few "boxes trowan (thrown)" on the pavement outside the school before the fight proper - like!