Green’s Dictionary of Slang

rude adj.

[ext. of SE]

1. sexually aggressive.

[UK]F. Kilvert Diary (1944) 6 Feb. 94: Price said, 'One day a lady was walking on a hill in Flintshire when she met Prince Caradoc who wanted to be rude with her but she spurned him’.
[WI]cited in Cassidy & LePage Dict. Jam. Eng. (1980).

2. wild, uncontrolled, openly hostile to authority.

[US]Z.N. Hurston Tell My Horse (1995) 314: It is a rude (wicked) person who sets duppies on folks.
[WI]cited in Cassidy & LePage Dict. Jam. Eng. (1980).

3. sexual.

[UK]J. Orton Entertaining Mr Sloane Act II: You’re not doing rude things with this kiddy, are you, like you did with Tommy?

4. (orig. US campus) unfair, distasteful, offensive, generally poor, flagrantly bad.

[Aus]A. Buzo Front Room Boys Scene xii: gibbo: He led her up the garden path and stabbed her in the back. robbo: That’s a bit of a rude act.
[Aus]D. Maitland Breaking Out 283: The Glendower Hotel, which was really only a rude shanty.
[NZ]G. Newbold Big Huey 253: rude (adj) Of poor quality, unpopular, bad.
[UK]C. Newland Scholar 121: Me nah t’reatnin’ yuh rudey, me jus’ advise yuh, seen?

5. (orig. US campus) excellent, admirable.

[US] P. Munro Sl. U.
[US]Hip-Hop Connection Jan. 74: This place is so great [...] Rude and loopy.

In compounds

rude boy (n.)

see separate entry.

rude girl (n.) (also rude gal)

(W.I./UK black teen) the female equivalent of the rude boy n.; also attrib.

[UK]C. Newland Scholar 206: Yes rudegirl, wha’ gwaan?
[UK](con. 1981) A. Wheatle East of Acre Lane 200: Denise had never used rude gal language in the presence of her mother.
[UK]Observer 22 Feb. 7: The coolest group at school are the ‘rude girls’ who dress and talk black.

SE in slang uses

In derivatives

rudesby (n.) [SE rude + sfx -by]

an unpleasant, boorish person; cite 1850 refers to a vegetable.

[UK]Shakespeare Taming of the Shrew III ii: To give my hand oppos’d against my heart, Unto a mad-brain rudesby, full of spleen.
[UK]Shakespeare Twelfth Night IV i: Be not offended, dear Caesario, Rudesby, begone!
[Ire]Advocate (Ireland) 28 Aug. n.p.: Our rudesby of the Bohereens sometimes springs from the mud, and bears with it the vulgarity of its nature [...] it is a coarsely tasted vegetable with a foetid x-like smell.
[UK]Manchester Courier 4 June 4/4: Married against her will to a ‘mad-brain Rudesby’.
[Ire]Dublin Dly Exp. 10 Feb. 10/6: No boy was ever a rudesby to his parents.
rudeness (n.)

see separate entry.

In compounds

rude parts (n.) [euph.]

the genitals, both male or female (in the latter case extended to breasts also).

[UK]Barr & York Sloane Ranger Hbk 159: rude adj. Sexual, rude parts n. Private parts.
‘Sir Thomas Eichelbaum’s Report into The Peter Ellis Case’ 9.1.6 on Ministry of Justice (N.Z.) 🌐 First interview – 14 May 1992 X stated that Mr Ellis ‘fiddled with his rude parts’ when he was very small. Charge dismissed at depositions.