Someone who spends a
great deal of time with some one they may or may not be interested in. This person can flirt without trying to hook up or may already be dating the person they are
caking with. This person is engaging in
flirtatious actions that include talking intimately up to but not including having sex (of any form).
Yeah I was
on the phone with him last night, you know what a caker I am.
She was
hugged up with him
mighty close last night. What a caker.