To crank is to wank and cry simultaneously. The tears can be used as lubricant. Cranking is most commonly done when a relationship has just ended.
"I had a crank two hours ago" "My boyfriend just dumped me, I really need a crank" "I saw you cranking last night" "You're a cranker" "Your mum just caught me cranking" "Don't sit on that sofa, I had a drunken crank there when I got back last night"
1) To sound good, really catch your ear, or make you want to start dancing or just vibe along with it. Usually refers to upbeat or mid-tempo songs, but can also refer to slow ones. Refers to songs and music, even if just a beat/rhythm or instrumental. Also could refer to a certain part of a song that you're really feeling.
2) To continually put out songs or albums that you think crank. Refers to the musicians/artists.
3) To put on lively, engaging performances. Also refers to musicians/artists.
1) Chillin' with a few friends and a song you're really feeling comes on:
"Yo, that joint CRANK!" (You might start dancing or just moving to the beat some kinda way if you feel like it).
The boy's hero was on tv accepting a prestigious award, he cried as he felt so proud of his hero, he was also aroused and masturbating at the same time. Therefore the boy was having a CRANK or CRANKING