show off
show off {v. phr.}
1. To put out nicely for people to see; display; exhibit.
The Science Fair gave Julia a chance to show off her shell collection.
The girls couldn't wait to show off their fine needlework to our visitors.
2. {informal}
To try to attract attention; also, try to attract attention to.
The children always show off when we have company.
Joe hasn't missed a chance to show off his muscles since that pretty girl moved in next door.
Categories:
Source: A Dictionary of American Idioms