Actually he means 'I was never a drill sergeant but I've met some and I could destroy you completely in ten minutes,' but this is the consequence for making innuendo as often as he does do it.

"Come downstairs. I have programs and stuff for it," Jedao tells him, putting the FRIENF mug into the sink - then after a second of realzing Roman definitely isn't going to wash it himself, rinsing it for a few seconds before he turns to go.