flag-waving 
noun [mass noun]
The expression of patriotism in a populist and emotional way: [as modifier]: flag-waving conservatism...
- As the war looms closer warmongering propagandists will step up their flag-waving jingoism and attacks on so called ‘traitors’.
- And, no doubt, she would find flag-waving during a Democrat Administration perfectly acceptable.
- These emblems of today's cult of passive suffering are at the opposite end of the emotional spectrum from traditional patriotic flag-waving.
Derivatives
flag-waver
- Here are the flag-wavers who felt patriotic enough to reply.
- It's easy to be a flag-waver and to be patriotic and to support the troops when you're in the initial attack phase and it looks like you may have only a two-week war.
- As I'm sure you know, I love the country but am no flag-waver.
- turn one's head
- turn one's nose up at
- turn on one's heel
- turn on the charm
- turn (or go) pink
- turn (or put) back the clock
- turn (or tighten) the screw (or screws)
- turn out
- turnout
- turn over
- turnover
- turn over a new leaf
- turnpike
- turnpike road
- turnround
- turn round and do (or say) something
- turn signal
- turnsole
- exodermis
- exodus
- exoenzyme
- ex officio
- exogamous
- exogamy
- exogenic