The meaning of "suck it up" is:
What is the definition of "suck it up"?
The definition of "suck it up" is:
"suck it up" means
A: I hate my job! I hate my boyfriend! I hate my life!
B: Suck it up! At least you have a job!
The teacher told her complaining students to suck it up after they told her the test was too difficult.
From the Blogs: