Rhino bang
A rhino bang is when you have an extremely irritating person come from behind and knee you right in the keester. Rhino bang is similar to a charlie horse except this is caused by someone's knee ridding right up your ass
While Jeffren and Lex got ready for gym class, Lex thought it would be funny to pants Jeffren and Rhino bang him so Jeffren would squeel like a bitch