泡

pào
  1. bubble; foam
  2. blister
  3. to soak; to steep; to infuse
  4. to dawdle; to loiter
  5. to pick up (a girl)
  6. to get off with (a sexual partner)
  7. classifier for occurrences of an action
  8. classifier for number of infusions

CEDICT

Classifier for

尿 niào
  1. to urinate
  2. urine

classifier: 泡

Homographs

泡 pāo
  1. puffed; swollen; spongy
  2. small lake (esp. in place names)
  3. classifier for urine or feces