Forget about it. To tell someone not to worry about something, no problem. Can also be used to trick people into thinking that you're connected. Example: A. Don't have any money today. B. Eh, fohgiddabodit! I'll buy. Pay me back tomorrow.
FOHGIDDABODIT
Meaning of FOHGIDDABODIT in English
Slang English vocab. Английский сленговый словарь. 2012