No matter what we said, he remained stubborn as a mule.
lonely as a cloud
Frequency:
70
%
After the breakup, she felt as lonely as a cloud.
fast as lightning
Frequency:
60
%
He ran fast as lightning to catch the bus.
Idiomatic Expressions for like a shag on a rock
Phrase: Alone like a shag on a rock
Meaning: To be completely isolated or alone.
Usage: After all her friends left the party, she felt alone like a shag on a rock.