From Longman Dictionary of Contemporary Englishpull for somebody/something phrasal verbinformal to encourage a person or team to succeed The crowd were pulling for me to do well. → pull→ See Verb table
Examples from the Corpus
pull for • Repeat 5 times, holding each pull for 1 second.• The horse pulls for a variety of reasons.• Anybody pulling for Brown to rock the house was sadly disappointed.• Lamb rampaged to 50 with a six and a pull for four in the same Su'a over.• Maps often have that emotional and aesthetic pull for me.• Another pull for ten minutes or so brought me up on to the summit, where I sat down to have my lunch.• My lungs pull for the thick plastic air like getting it through a pinhole.• Every single trade pulls for their own basket.