bus shuffle 

When you are on a bus and it slows down or speeds up and you suddenly do a shuffle to stop your self from flying to the front/back of the bus

Today I had a major bus shuffle and almost crashed into someone

bus shuffle by Megan smith March 26, 2015

bumshuffle 

\ˈbəmˈshə-fəl\ (noun) - the exaggerated way a panhandler will walk at intersections in order to get more money from motorists through sympathy or amusement.

Crazy Bob's panhandling income increased 30 percent when he perfected the limp in his bumshuffle.

bumshuffle by akrazo September 20, 2011