d.i.m. - dick in mouth -
We weren't making out but 2 minutes and it was all d.i.m.
You little cocksucker. Nothing but d.i.m. for you all the live long day.
Do It Myself; referring to masturbating or pleasuring yourself. To have sex with yourself. Plural: D.I.M.S.
"I'm gonna do some D.I.M.S. and then I'll feel better."