1blast 
/ˈblæst, Brit ˈblɑ:st/ noun
plural blasts /ˈblæst, Brit ˈblɑ:st/ noun [count] 1 a : a mass of air that moves very quickly and forcefully
▪ She opened the door and felt a cold blast. ▪ a blast of wind
b : a mass of water, gas, heat, etc., that moves very quickly and forcefully through the air
▪ He was hit by a blast of water from the hose. ▪ a blast of heat 2 : the loud sound made by a horn or a whistle
▪ The driver gave a long blast on his horn. ▪ the blast of the factory whistle ▪ a bugle blast 3 : a powerful explosion
▪ The bomb blast killed eight people. ▪ a shotgun blast 4 : a sudden powerful force
▪ She got a blast of reality when she returned to school in the fall. ▪ a blast of criticism 5 informal : a very enjoyable and exciting experience
▪ I had a blast at your party. ▪ The wedding was a blast.
▪ She opened the door and felt a cold blast. ▪ a blast of wind
b : a mass of water, gas, heat, etc., that moves very quickly and forcefully through the air
▪ He was hit by a blast of water from the hose. ▪ a blast of heat
▪ The driver gave a long blast on his horn. ▪ the blast of the factory whistle ▪ a bugle blast
▪ The bomb blast killed eight people. ▪ a shotgun blast
▪ She got a blast of reality when she returned to school in the fall. ▪ a blast of criticism
▪ I had a blast at your party. ▪ The wedding was a blast.
blast from the past
informal : something that reminds you of an earlier time
▪ Hearing that old song again was a real blast from the past.
▪ Hearing that old song again was a real blast from the past.
full blast
informal : with as much loudness or power as possible
▪ The engines were running (at) full blast. ▪ She turned up the heat full blast. ▪ The stereo was going full blast. [=the stereo was very loud]
▪ The engines were running (at) full blast. ▪ She turned up the heat full blast. ▪ The stereo was going full blast. [=the stereo was very loud]
