1. spit up - Noun
2. spit up - Verb
discharge (phlegm or sputum) from the lungs and out of the mouth
give reluctantly
Source: WordNetspit-up
I wouldn't even hold my kids sometimes because I didn't want them to spit up on me when I was dressed for an awards show. Lauryn Hill
He coughed up some money for his children's tuition Source: Internet
At least working here, it probably wouldn’t be too highly frowned upon by your space sharers, if you return to your desk covered in spit-up or strained peas. Source: Internet
She may spit up some milk, so have a cloth handy. Source: Internet
Sometimes affected dogs will spit up foam. Source: Internet
Sure, your schedule is being held hostage by a tiny human who does nothing but poop and spit up, and yes, you will want to sleep yourself, but if you can get creative with the time allotted, your sex life can be even better than before. Source: Internet