1966 Current Slang (Univ. S. Dakota) 1 iii. 5/2 Mega, adv. The ultimate; extremely.—College males.

1968 Current Slang (Univ. S. Dakota) 2 iii. 4 Mega, ‘Mega-tough’, ‘mega-cool’. Much more intense than kilo.

1985 M. Middles Smiths (1988) xiv. 97 These people constantly told the band to think big, to think mega, to evolve into a major international unit.

1989 Fast Forward 18 Oct. 25/3 The mega famous classical Sorcerer's Apprentice music.

1999 BBC Top Gear Mag. Aug. 59/1 Club Corner is still a good vantage point but it's now mega slow, while Becketts is the most spectacular section of the track.

1968 C. F. Baker et al. College Undergraduate Slang Study (typescript, Brown Univ.) 156 Mega load, a great deal (of something).

1972 Bookseller 8 Jan. 59/3 Anyone fortunate (or affluent) enough to be familiar with the mega-O.E.D. scarcely needs to be told about the treasures here [i.e. in the Compact edition].

1984 Gainesville (Florida) Sun 3 Apr. 14 b/5 (advt.) Professionally oriented apt.... Screened Fla. room, utility room, mega storage, low utilities.

1993 Marketing 28 Jan. 3/2 Whether they jump or play safe is a knife-edge decision... The implications are mega.

1999 Independent 19 Jan. ii. 5/3 A celeb, who in spite of mega achievements, is thought by everyone to be a total pillock.

1985 New Yorker 25 Mar. 41/1 I was mega, but not mega enough for the job.

1986 R. Sproat Stunning the Punters 119 ‘It's a laugh,’ says the Captain,..‘really mega. Free music and you get to hit people and they pay you.’

1994 Fast Forward 26 Oct. 30/1 Sam convinces Fisher that it's a mega idea to join in the 40-hour famine.

1987 Music Week 12 Sept. 22/1 Already mega in Ireland, O'Donnell has been the subject of a highly successful promotion for his two Ritz label albums.

1996 Face Apr. 72/2 This person is a really, really popular musician, and..if there's a brilliant news story..suddenly they go absolutely mega.