to make oneself sick in an attempt to ward off genuine and/or further sickness. usually relating to a bad hangover but equally applicable to any nauseating situation.
my hangover started to kick in about noon, i went for tactical chunks and felt alot better.
To defecate on a glass surface, usually a window or a patio door.
Mr Berry failed me at math. I left him a nice fruit bowl to wake up to in the morning.