Bumshoving

“Cycling isn't permitted in the gardens, but I dare say you can walk your bike.” ¶ Leo hadn’t learnt his mock-pompous tone yet. “I dare say bumshoving isn't permitted either,” he said.

2015, “Rowing,” william-rowing.blogspot.ca, 27 June, 2015,http://william-rowing.blogspot.ca/2015/06/the-catch.html Bumshoving ¶ […] It will occur if you fail to hold your core whilst driving with the legs, leading to your arse going backwards faster than the blade handle, and thus the angle you're rocked over to increasing.