To give a woman the legth an' strength' is to have sex with her long and hard.
She 'knock up' means that she is pregnant. 'Mi hear seh yuh knock up Lisa. ' I heard that you got Lisa pregnant.
When a woman tells a man to come 'kill mi wid it' she wants him to have sex with her until she can't take it anymore.
To stick. Also used to refer to sexual penetration. "Mi jook har long time man! " One might be heard bragging to a friend.
This is the name given to the unknown man who your girlfriend or wife is cheating on you with.