Verb. The act of shielding a boner. Most commonly used with textbooks or large binders by teenage boys.
Look how low jason is holding his book. Hes totally shielding.
by Lady Gagas Clit September 22, 2011
1 more definition
Rejecting the fact that he/she is a complete closet homosexual, and he/she is fooling no one by denying is.
You know that Andrew guy? he is totally shielding.
by 339201169 March 26, 2009