Feelings of the vaginal kind. Stems from gee, which is Irish slang for Vagina in certain parts of the country, such as the counties of Laois/Offaly and also in urban centres of cultural taste, such as North Dublin.
Girl 1: My ex dicked me around...but I still have geelings for him, ya know?
Girl 2: I know...you never shut up about you ridin' him. It's called sex with the ex, you sluh.
Girl: I have SUCH a weird geeling!
Boy: Are you on the blob or wha'?