YOU SAID:
he had pumped his pants full
INTO JAPANESE
彼はズボンをいっぱいに膨らませていた
BACK INTO ENGLISH
he puffed up his trousers
INTO JAPANESE
彼はズボンを膨らませた
BACK INTO ENGLISH
he puffed up his pants
INTO JAPANESE
彼はズボンを膨らませた
BACK INTO ENGLISH
he puffed up his pants
Okay, I get it, you like Translation Party.