[latch on] or [hitch onto] {v.}, {informal}
1. To get hold of; grasp or grab; catch.
* /He looked for something to latch onto and keep from falling./* /The football player latched onto a pass./
2. {slang} To get into your possession.
* /The banker latched onto a thousand shares of stock./
3. {slang} To understand.
* /The teacher explained the idea of jet engines until the students latched onto it./
Syn.: CATCH ON. 4. {informal} To keep; to hold.
* /The poor woman latched onto the little money she had left./
5. {slang} To stay with; not leave.
* /Marie and Dick wanted to go to the movies by themselves, but Mane's little brother latched onto them./