Dan spill.
Similar incident in Danair many moons ago. Ex-military F/O trainee on the B737 spilt his coffee on the radio selector box, and diverted into Brussels. When the highly embarrassed copilot returned to LGW OPS he found that all the naughty ops guys had filled dozens of plastic coffee cups and spread them all over the room. As he entered , they all shouted "watch out" in unison. Within a couple of days there was a Tommee Tippee cup in ops with "737 crews for the use of" inscribed. Those were the days.