Bulletproof (Raheem DeVaughn song)
WordNet
adjective
(1) Not penetrable by bullets
"Bulletproof glass"
"Bulletproof vest"
(2) Without flaws or loopholes
"An ironclad contract"
"A watertight alibi"
"A bulletproof argument"
verb
(3) Make bulletproof
"Bulletproof the car"