One's close or closest friend; a friend one holds dear to one's heart. We grew up right next door to each other, so we have been bosom pals since we were kids.
Shake my hand. As in greeting or in agreement to a deal. A: "50 dollars is my final offer for the computer." B: "I wish I could get more for it, but you win. Put it there!"Hey, John, put it there! I haven't seen you in a donkey's age!
to associate with someone as a good friend. I like to pal around with my friends on the weekends. They like to pal around. They often palled around with each other.
to join with someone as a friend. I palled up with Henry and we had a fine time together. We palled up and had a fine time together. They palled up with each other.
Associate as friends or chums, as in Bill and Jim have been palling around for years. This expression makes a verb of the noun pal, which comes from the Gypsy word for "brother." [c. 1900]