Green’s Dictionary of Slang

meals on wheels n.

1. (US gay) teenagers cruising the streets in their cars.

[US]B. Rodgers Queens’ Vernacular.

2. jellied eels [rhy. sl.].

[UK]Guardian G2 17 Feb. 3: To have some jellied eels. Some meals on wheels? The very same.

3. (N.Z. prison) prison food or those who deliver it to the mess halls [‘Meals on Wheels’, an organisation that delivers meals to elderly people at home].

[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 115/2: meals on wheels n 1 prison food 2 the people who deliver the prison food.

4. (S.Afr. gay) men on motorcycles.

[SA]K. Cage Gayle 82/1: meals on wheels n. sexy men on motorcycles.