Green’s Dictionary of Slang

quicktime adv.

(UK black) as fast as possible.

[UK]G. Krauze Who They Was 5: He’s focusing mad had hard on getting us out of the area quicktime.

In compounds

quick-time towel (n.)

(N.Z. gay) a towel used to clean up after sex.

[NZ]W. Ings ‘Trolling the Beat to Working the Soob’ in Int’l Jrnl Lexicog. 23:1 77: [B]atrag (a towel used for cleaning up after sex). Older terms for this towel were trade rag, or quick-time towel .