cheesing out

Verb

cheese out (third-person singular simple present cheeses out, present participle cheesing out, simple past and past participle cheesed out)

1. (transitive) To make (something) cheesy (overdramatic, trite); to make (something) less cool, especially by making it more mainstream.
2. (intransitive) To be smiling or laughing excessively or remarkably, usually as a result of smoking cannabis.
3. (intransitive) To chicken out; to lose one's nerve and therefore not participate in something.