Gahisin (en. To be rigid or tough)
/gahi.sɪn/
Slang Meanings
To do something extraordinary at night or to engage in an improper relationship.
Why does it seem like there are some 'gahisin' happening on the corner? It looks like something bad is going on.
Bakit parang may mga ga-gahisin sa kanto? Parang may nangyayaring di maganda.
To have fun or party until dawn.
Come on, let's 'gahisin' later at Mark's house!
Tara, mag-ga-gahisin tayo mamaya sa bahay ni Mark!