The woman wearing the rucksack type bag in Waterstone's - bashing people and knocking things over every time she turned round. Also guilty of barging from the front as well as ambushing from the rear.
The gathering of Friends Reunited in the supermarket - five or six of them blithely blockading the aisle with their three large trolleys while they caught up with their chat.
The man claiming his right to a soon-to-be-vacated parking space by parking in the middle of the road so that no-one else could get by.
AIBU?