say, n. — Green’s Dictionary of Slang

say n.

[Ital. sei, six]

(Ling. Fr./Polari) the number six.

1881		Newcastle Courant 2 Dec. 6/6: ‘How much is it?’ ‘Tray beong say saltee’.
1937–84		Partridge DSUE (1984) 1014/2: C.19–20.
2019		P. Baker Fabulosa 297/1: sa, say six.

say-dooe (n.) [dooe(e) n.]

the number eight.

1996		H. Young Lex. of Polari 🌐 say dooe eight.
2019		P. Baker Fabulosa 297/2: say dooe eight.

say-oney (n.) [SE one + sfx -y]

the number seven.

1996		H. Young Lex. of Polari 🌐 say oney seven.
2019		P. Baker Fabulosa 297/2: say oneyseven.

say-tray (n.) [tray n.¹ (1)]

the number nine.

1996		H. Young Lex. of Polari 🌐 say tray nine.
2019		P. Baker Fabulosa 297/2: say tray nine.