A shorthand nickname for Filipino politician (and president as of 2016) Rodrigo Duterte, as a pun pronunciation of "thirty" as "terti" or "terte", so DU30 is said like Du-terte.
DU30 can't say four words in a row without swearing.
Mutton, lettuce and tomato sandwich.
Sonny, true love is the greatest thing, in the world-except for a nice MLT, where the mutton is nice and lean and the tomato is ripe.
To hijack a partly-completed task from someone else, either directly or via unsolicited advice. Originated in whitewater raft guide culture, and is used most frequently for kitchen tasks.
I didn't mean to fuck your chicken, but you left these tomatoes sitting halfway sliced and I wanted to finish making the sandwiches.
Can I help you do that? I'm an expert at making alphabet-shaped pancakes.
No, I got it. Quit trying to fuck my chicken.