intransitive. To follow or take up with (something) eagerly, enthusiastically, or impulsively.

transitive. To pursue (an objective) with zeal or passionate enthusiasm; to be zealous in support of (a cause, belief, etc.).

to throw one's heart (also soul, energy,etc.) into: to engage in with great enthusiasm or determination; to commit oneself wholeheartedly to. Cf. t…

to go mad (about, for, over,etc.): to allow oneself to be carried away by enthusiasm or excitement.

Australian and New Zealand slang. to be shook on: have an infatuation for. Also, less strongly, to be keen on, to be impressed by, to admire, and…

to be hepped on: to be enthusiastic or fanatical about; to be very keen on.