tamp in

(v) : To enter a public transport system (especially the London Underground) by tapping a travelcard on the card-reader

(v) : (African-American Vernacular, slang, transitive) To contact (someone); to call (someone) on the phone.

(v) : (slang) To switch places with someone.

(n) : (golf) A simple, short putt very close to the hole.

(n) : (soccer) A simple shot into the goal from close range, and without opposition.

(v) : (soccer) To kick a simple shot, without opposition, from close range into the goal.