Sumaguli (en. To surprise)

su-ma-gu-li

Slang Meanings

to join or involve oneself in something, often with a negative connotation
That's why Marco got mad, because he butted in on a conversation he wasn't invited to.
Kaya pala nagalit si Marco, kasi sumaguli siya sa usapan na hindi naman siya invited.
to interfere
Why are you meddling? You butted in again on something that isn't your business!
Bakit ka nakikialam, sumaguli ka na naman sa hindi mo dapat pakialaman!
to get involved in something that doesn't concern you
Don't get involved in things that you have nothing to do with.
Huwag kang sumaguli sa mga bagay na wala kang kinalaman.