Green’s Dictionary of Slang

1. (US prison) suffering from delirium tremens.

1953

W.P. McGivern Big Heat 94: ‘He said he was ‘rammy’ once.’ [...] ‘Means the D.T.’s.’.

2. (US) drunk.

1966

M. Rumaker Exit 3 and Other Stories 78: You know how rammy you get on a little whiskey.

3. (US ) eccentric, over excited.

1971		Current Sl. VI 9: Rammy, adj. Subject to strange behavior; extremely odd; ‘goofy.’.
1985		(con. 1968) D.A. Dye Citadel (1989) 299: ‘We’re smokin’ these motherfuckers, man.’ ‘Yeah. Don’t get rammy.’ Weirdness will kill you if you don’t learn to suspect it.

4. see rammish under ram n.¹