The uncomfortable feeling of having eaten too much, usually right before bed.
Oh, I shouldn't have eaten that whole burrito -- I've got the groggles.
A group of top class lads who consistently abuse each other for the approval of the other members of the group
Me and the groggles are heading out
Me: “What are you doing tonight?”
Friend: “Heading into town for a Groggle, fancy joining?”
Policeman: “What are you doing out this late?”
Me: “Just Groggling, officer.”
B: I can't lie, I'm starving, mate?
R: Me too, man.
B: Groggles?
R: Go on then!
A person who cares most about their friends and family and who is really lovely.