The act of emptying your bladder before :-
1) Going on your lunch break
2) Going on a Journey
3) Doing something which means a toilet will not be readily available.
Work mate 2) Thats a shout, I'll join you - its 5.25 and work has nearly finished, I don't want it to cut into my free time.
2.An expression along the lines of "holla." Most commonly used upon leaving.
3. A word meaning "messed up", along the lines of "wacked"
2."Sup bro, Jenko!"
3."Yo man, thats Jenko"