Designing or fixing a device or any other task related to engineering while under the influence of alcohol. While this practice often results in something that works, the results are rarely of acceptable quality to a more sober person.
The speakers on hand were of to low an impedance for the available amplifier so the students began engibeering the following solution. Two speakers were wired in series to increase the impedance to an acceptable level. However, this additional speaker did not have an enclosure. It was fitted into a hole cut out of the side of a beer box and the wires joined by twisting them together and taping with packaging tape.