underdig

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From under- +‎ dig.

underdig (third-person singular simple present underdigs, present participle underdigging, simple past and past participle underdug)

1. (transitive) To dig under or beneath (something); to undermine.
   • 2011, Adam Roberts, By Light Alone, London: Gollancz, →ISBN, page 348:

     Issa found a place where the fence had been underdug, and thought about sneaking into the town. But she couldn't think of anything she wanted to do in there.

Blend of understand +‎ dig (“to understand”).

underdig (third-person singular simple present underdigs, present participle underdigging, simple past and past participle underdug)

1. (transitive, African-American Vernacular, slang) To fully understand or comprehend.
   • 2000 September 12, “Uptown” (2:06 from the start), in Baller Blockin'‎, performed by Turk ft. B.G.:

     Fuck givin' body shots I'm hittin' you in yo wig / Ya underdig?

   • 2006, K'wan Foye, Hood Rat, New York, N.Y.: Saint Martin's Griffin, →ISBN, page 308:

     Niggaz know who I be and what I represent, so my hood stripes could never be in question, you underdig me? I ain't trying to shit on they character, they went out like straight Gs.

   • 2018, Carolyn Light Bell, “All He Saw Was Summer”, in I Heard a Fish Cry: And Other Stories, Lisbon: Adelaide Books, →ISBN, page 193:

     […] there are these pipes and boughs and heifer cows and the cows represent the young maidens who are "overwrought" and there are musicians playing songs and people who really like underdig the parade but feel sorta depressed because they know the time will be gone soon like a memory and it's all very cool and written in rhyme which we studied.

• “underdig v.”, in Green’s Dictionary of Slang, Jonathon Green, 2016–present
• “underdig”, in The Right Rhymes, launched 2013.
• “underdig, v.”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000.

• ungirded, unridged