Here are some expressions / catchphrases that me and my cousins/friends use:
CHARMOS DAIMOS - a mutation of Charmos Ginamos
SEH! - like shooing away a pest
Ka-B! - as in ka-baho, ka-buang... ka-anything at all :P
HUWHAT?! or HUWHANG?!
OMG with a B.Y.E. - used when folding in texas hold 'em poker, hehe
HOLLER! - a mutation of HELLO! and HELLER!
GALET! - as in galit, as in grabe, sobra, OA
OKIESH - as in OK
CHAR! NICHOLAS! - mutation of char
SOPHER! - its the way the help pronounces super, hehe