The need for an afternoon coffee, due to tiredness. Example: TMass states, My starting pitcher is petering out, so I'm going to warm up the bullpen. (Warming up = brew a pot.) BLip. Yup it's 3:15. I need to hit the bullpen, too.
BULLPEN
Meaning of BULLPEN in English
Slang English vocab. Английский сленговый словарь. 2012