basagan ng trip

English Pronunciation: bah-sah-GAHN nung trip

Taglish (Tagalog + English) idiom. Literally means "breaking the trip". In English, it would be most similar to "killing the vibe" or "ruining the fun". Often used in during drinking and partying, or an anti-critical sense against one's beliefs, interests, or hobbies.

Ate Girl: Hoy, you really believe that? Man, that's really pitiful.
Kuya Boy: Hey bhebhe, 'wag basagan ng trip. Respect my opinion na lang.