ジャムる Show inflections LinksSentence search for ジャムるEdit in JMdict Godan verb with 'ru' ending, Intransitive verb1. to become jammed (of a printer, gun, etc.)ColloquialGodan verb with 'ru' ending, Intransitive verb2. to jam; to hold a jam sessionMusic, Colloquial Discussions Log in to talk about this word.