Green’s Dictionary of Slang

round adj.

SE in slang uses

In compounds

roundball (n.)

(US) basketball (as opposed to football, played with an oval ball).

1969
19701980
1990
L. Schecter Jocks 234: [cap. heading] Let’s Hear It for the Roundball.
[US]E. Folb Runnin’ Down Some Lines 252: round ball Basketball.
[US]D. Woodrell Muscle for the Wing 42: Roundballs of various sizes and snowcapped schemes offered the dreamy ways to better quarters.
[US]Eble Campus Sl. Apr.
roundeye(d)

see separate entries.

round file (n.) (also round filing cabinet)

(orig. US) a wastepaper basket.

1975
198019902000
2004
[US]G. Underwood ‘Razorback Sl.’ in AS L:1/2 65: round file n Wastebasket.
[Aus]M.B. ‘Chopper’ Read How to Shoot Friends 27: You better make sure you are good looking, or it’s straight into the round filing cabinet.
[Aus]M.B. ‘Chopper’ Read Chopper 3 35: [as cit. 1993].
roundhead (n.)

see separate entry.

roundheeled/-heels

see separate entries.

roundhouse

see separate entries.

roundman (n.) [the round coin]

(US) a dollar.

[US]D. Hammett ‘Ruffian’s Wife’ in Nightmare Town (2001) 64: I brought fifteen thousand hard roundmen away with me.
round o (n.) [the oh! of disbelief it elicits]

a great lie.

1605
1610162016301640165016601670
1680
[UK]Shakespeare London Prodigal D: For howsoever the Deuenshire man is, my maisters Mind is bloody; thats a round O, And therefore syr, intreatie is in but vain.
[UK]Merry Maid of Islington 16: Take her into the Counting House, and try what Figure you can bring her to; a Cypher you need not fear, and the round O is the compleating of your sum.
round rimmer (n.) [the shape of their hat]

(US Und.) a member of a N.Y. gang.

1839
18391840
1841
Morn. Herald (NY) 26 Nov. 2/2: White [...] was one of that infanous class of characters [...] ‘soap locks,’ ‘round rimmers,’ ‘fire rowdies,’ etc.
[US]N.Y. Herald 16 Nov. 2/5: The soaplock fashion of wearing the hair is about coming again into practice among the round rimmers.
round robin

see separate entries.

round room (n.) (also roundhouse)

(N.Z. prison) a strip cell.

[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 156/2: round room (also roundhouse) n. = strip cell.