grass up (English, verb)
expansion: grass up (third-person singular simple present grasses up, present participle grassing up, simple past and past participle grassed up)
Senses:
glosses: To betray by informing on.
tags: UK
slang
Forms:
form: grasses up
tags: present
singular
third-person
form: grassing up
tags: participle
present
form: grassed up
tags: participle
past
form: grassed up
tags: past